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Finding the Fourth Proportional to 63,423, 95,130.86 and 19,048.77

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Solution

The fourth proportional to 63,423, 95,130.86 and 19,048.77 is: 28,572.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,423 : 95,130.86 = 19,048.77 : x
  2. Step 2: Convert to fraction form
    63,423/95,130.86 = 19,048.77/x
  3. Step 3: Cross multiply
    63,423x = 95,130.86 × 19,048.77
  4. Step 4: Simplify right side
    63,423x = 1,812,125,776.80
  5. Step 5: Solve for x
    x = 1,812,125,776.80/63,423
  6. Step 6: Final answer
    x = 28,572.06

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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.