Home / 30,970.77-42,740.67-17,541.73

Finding the Fourth Proportional to 30,970.77, 42,740.67 and 17,541.73

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Solution

The fourth proportional to 30,970.77, 42,740.67 and 17,541.73 is: 24,208.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,970.77 : 42,740.67 = 17,541.73 : x
  2. Step 2: Convert to fraction form
    30,970.77/42,740.67 = 17,541.73/x
  3. Step 3: Cross multiply
    30,970.77x = 42,740.67 × 17,541.73
  4. Step 4: Simplify right side
    30,970.77x = 749,745,412.37
  5. Step 5: Solve for x
    x = 749,745,412.37/30,970.77
  6. Step 6: Final answer
    x = 24,208.16

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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.