Home / 52,651.13-78,976.69-15,715.13

Finding the Fourth Proportional to 52,651.13, 78,976.69 and 15,715.13

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Solution

The fourth proportional to 52,651.13, 78,976.69 and 15,715.13 is: 23,572.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,651.13 : 78,976.69 = 15,715.13 : x
  2. Step 2: Convert to fraction form
    52,651.13/78,976.69 = 15,715.13/x
  3. Step 3: Cross multiply
    52,651.13x = 78,976.69 × 15,715.13
  4. Step 4: Simplify right side
    52,651.13x = 1,241,128,516.15
  5. Step 5: Solve for x
    x = 1,241,128,516.15/52,651.13
  6. Step 6: Final answer
    x = 23,572.69

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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.