Home / 45,898.18-68,663.16-39,725.38

Finding the Fourth Proportional to 45,898.18, 68,663.16 and 39,725.38

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Solution

The fourth proportional to 45,898.18, 68,663.16 and 39,725.38 is: 59,428.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,898.18 : 68,663.16 = 39,725.38 : x
  2. Step 2: Convert to fraction form
    45,898.18/68,663.16 = 39,725.38/x
  3. Step 3: Cross multiply
    45,898.18x = 68,663.16 × 39,725.38
  4. Step 4: Simplify right side
    45,898.18x = 2,727,670,123.00
  5. Step 5: Solve for x
    x = 2,727,670,123.00/45,898.18
  6. Step 6: Final answer
    x = 59,428.72

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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.