Home / 30,695.13-42,354.90-17,265.87

Finding the Fourth Proportional to 30,695.13, 42,354.90 and 17,265.87

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Solution

The fourth proportional to 30,695.13, 42,354.90 and 17,265.87 is: 23,824.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,695.13 : 42,354.90 = 17,265.87 : x
  2. Step 2: Convert to fraction form
    30,695.13/42,354.90 = 17,265.87/x
  3. Step 3: Cross multiply
    30,695.13x = 42,354.90 × 17,265.87
  4. Step 4: Simplify right side
    30,695.13x = 731,294,197.26
  5. Step 5: Solve for x
    x = 731,294,197.26/30,695.13
  6. Step 6: Final answer
    x = 23,824.44

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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.