Home / 48,463.62-66,869.90-28,316.60

Finding the Fourth Proportional to 48,463.62, 66,869.90 and 28,316.60

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Solution

The fourth proportional to 48,463.62, 66,869.90 and 28,316.60 is: 39,071.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,463.62 : 66,869.90 = 28,316.60 : x
  2. Step 2: Convert to fraction form
    48,463.62/66,869.90 = 28,316.60/x
  3. Step 3: Cross multiply
    48,463.62x = 66,869.90 × 28,316.60
  4. Step 4: Simplify right side
    48,463.62x = 1,893,528,387.86
  5. Step 5: Solve for x
    x = 1,893,528,387.86/48,463.62
  6. Step 6: Final answer
    x = 39,071.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.