Home / 39,705.12-59,581.35-14,747.40

Finding the Fourth Proportional to 39,705.12, 59,581.35 and 14,747.40

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Solution

The fourth proportional to 39,705.12, 59,581.35 and 14,747.40 is: 22,129.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,705.12 : 59,581.35 = 14,747.40 : x
  2. Step 2: Convert to fraction form
    39,705.12/59,581.35 = 14,747.40/x
  3. Step 3: Cross multiply
    39,705.12x = 59,581.35 × 14,747.40
  4. Step 4: Simplify right side
    39,705.12x = 878,670,000.99
  5. Step 5: Solve for x
    x = 878,670,000.99/39,705.12
  6. Step 6: Final answer
    x = 22,129.89

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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.