Home / 48,270.78-72,403.50-13,207.92

Finding the Fourth Proportional to 48,270.78, 72,403.50 and 13,207.92

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Solution

The fourth proportional to 48,270.78, 72,403.50 and 13,207.92 is: 19,811.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,270.78 : 72,403.50 = 13,207.92 : x
  2. Step 2: Convert to fraction form
    48,270.78/72,403.50 = 13,207.92/x
  3. Step 3: Cross multiply
    48,270.78x = 72,403.50 × 13,207.92
  4. Step 4: Simplify right side
    48,270.78x = 956,299,635.72
  5. Step 5: Solve for x
    x = 956,299,635.72/48,270.78
  6. Step 6: Final answer
    x = 19,811.15

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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.