Home / 48,931.93-73,397.76-13,871.89

Finding the Fourth Proportional to 48,931.93, 73,397.76 and 13,871.89

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Solution

The fourth proportional to 48,931.93, 73,397.76 and 13,871.89 is: 20,807.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,931.93 : 73,397.76 = 13,871.89 : x
  2. Step 2: Convert to fraction form
    48,931.93/73,397.76 = 13,871.89/x
  3. Step 3: Cross multiply
    48,931.93x = 73,397.76 × 13,871.89
  4. Step 4: Simplify right side
    48,931.93x = 1,018,165,652.97
  5. Step 5: Solve for x
    x = 1,018,165,652.97/48,931.93
  6. Step 6: Final answer
    x = 20,807.80

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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.