Home / 39,478.50-59,246.97-18,702.06

Finding the Fourth Proportional to 39,478.50, 59,246.97 and 18,702.06

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Solution

The fourth proportional to 39,478.50, 59,246.97 and 18,702.06 is: 28,066.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,478.50 : 59,246.97 = 18,702.06 : x
  2. Step 2: Convert to fraction form
    39,478.50/59,246.97 = 18,702.06/x
  3. Step 3: Cross multiply
    39,478.50x = 59,246.97 × 18,702.06
  4. Step 4: Simplify right side
    39,478.50x = 1,108,040,387.76
  5. Step 5: Solve for x
    x = 1,108,040,387.76/39,478.50
  6. Step 6: Final answer
    x = 28,066.93

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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.