Home / 30,588.03-42,211.54-17,159.27

Finding the Fourth Proportional to 30,588.03, 42,211.54 and 17,159.27

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Solution

The fourth proportional to 30,588.03, 42,211.54 and 17,159.27 is: 23,679.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,588.03 : 42,211.54 = 17,159.27 : x
  2. Step 2: Convert to fraction form
    30,588.03/42,211.54 = 17,159.27/x
  3. Step 3: Cross multiply
    30,588.03x = 42,211.54 × 17,159.27
  4. Step 4: Simplify right side
    30,588.03x = 724,319,165.22
  5. Step 5: Solve for x
    x = 724,319,165.22/30,588.03
  6. Step 6: Final answer
    x = 23,679.82

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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.