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Finding the Fourth Proportional to 48,000.53, 71,969.87 and 19,939.91

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Solution

The fourth proportional to 48,000.53, 71,969.87 and 19,939.91 is: 29,897.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,000.53 : 71,969.87 = 19,939.91 : x
  2. Step 2: Convert to fraction form
    48,000.53/71,969.87 = 19,939.91/x
  3. Step 3: Cross multiply
    48,000.53x = 71,969.87 × 19,939.91
  4. Step 4: Simplify right side
    48,000.53x = 1,435,072,270.96
  5. Step 5: Solve for x
    x = 1,435,072,270.96/48,000.53
  6. Step 6: Final answer
    x = 29,897.01

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1.5x scale

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.