Home / 39,717.32-59,577.48-19,985.12

Finding the Fourth Proportional to 39,717.32, 59,577.48 and 19,985.12

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Solution

The fourth proportional to 39,717.32, 59,577.48 and 19,985.12 is: 29,978.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,717.32 : 59,577.48 = 19,985.12 : x
  2. Step 2: Convert to fraction form
    39,717.32/59,577.48 = 19,985.12/x
  3. Step 3: Cross multiply
    39,717.32x = 59,577.48 × 19,985.12
  4. Step 4: Simplify right side
    39,717.32x = 1,190,663,087.10
  5. Step 5: Solve for x
    x = 1,190,663,087.10/39,717.32
  6. Step 6: Final answer
    x = 29,978.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.