Home / 52,419.15-78,641.01-14,979.74

Finding the Fourth Proportional to 52,419.15, 78,641.01 and 14,979.74

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Solution

The fourth proportional to 52,419.15, 78,641.01 and 14,979.74 is: 22,473.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,419.15 : 78,641.01 = 14,979.74 : x
  2. Step 2: Convert to fraction form
    52,419.15/78,641.01 = 14,979.74/x
  3. Step 3: Cross multiply
    52,419.15x = 78,641.01 × 14,979.74
  4. Step 4: Simplify right side
    52,419.15x = 1,178,021,489.93
  5. Step 5: Solve for x
    x = 1,178,021,489.93/52,419.15
  6. Step 6: Final answer
    x = 22,473.11

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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.