Home / 52,414.28-78,624.12-14,971.40

Finding the Fourth Proportional to 52,414.28, 78,624.12 and 14,971.40

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Solution

The fourth proportional to 52,414.28, 78,624.12 and 14,971.40 is: 22,457.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,414.28 : 78,624.12 = 14,971.40 : x
  2. Step 2: Convert to fraction form
    52,414.28/78,624.12 = 14,971.40/x
  3. Step 3: Cross multiply
    52,414.28x = 78,624.12 × 14,971.40
  4. Step 4: Simplify right side
    52,414.28x = 1,177,113,150.17
  5. Step 5: Solve for x
    x = 1,177,113,150.17/52,414.28
  6. Step 6: Final answer
    x = 22,457.87

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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.