Home / 39,713.08-59,560.98-19,985.80

Finding the Fourth Proportional to 39,713.08, 59,560.98 and 19,985.80

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Solution

The fourth proportional to 39,713.08, 59,560.98 and 19,985.80 is: 29,974.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,713.08 : 59,560.98 = 19,985.80 : x
  2. Step 2: Convert to fraction form
    39,713.08/59,560.98 = 19,985.80/x
  3. Step 3: Cross multiply
    39,713.08x = 59,560.98 × 19,985.80
  4. Step 4: Simplify right side
    39,713.08x = 1,190,373,834.08
  5. Step 5: Solve for x
    x = 1,190,373,834.08/39,713.08
  6. Step 6: Final answer
    x = 29,974.35

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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.