Home / 30,816.77-42,526.80-17,392.37

Finding the Fourth Proportional to 30,816.77, 42,526.80 and 17,392.37

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Solution

The fourth proportional to 30,816.77, 42,526.80 and 17,392.37 is: 24,001.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,816.77 : 42,526.80 = 17,392.37 : x
  2. Step 2: Convert to fraction form
    30,816.77/42,526.80 = 17,392.37/x
  3. Step 3: Cross multiply
    30,816.77x = 42,526.80 × 17,392.37
  4. Step 4: Simplify right side
    30,816.77x = 739,641,627.88
  5. Step 5: Solve for x
    x = 739,641,627.88/30,816.77
  6. Step 6: Final answer
    x = 24,001.27

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Find fourth proportional to 15,408.38, 21,263.40 and 8,696.18
Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.