Home / 52,479.75-78,732.95-15,543.75

Finding the Fourth Proportional to 52,479.75, 78,732.95 and 15,543.75

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Solution

The fourth proportional to 52,479.75, 78,732.95 and 15,543.75 is: 23,319.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,479.75 : 78,732.95 = 15,543.75 : x
  2. Step 2: Convert to fraction form
    52,479.75/78,732.95 = 15,543.75/x
  3. Step 3: Cross multiply
    52,479.75x = 78,732.95 × 15,543.75
  4. Step 4: Simplify right side
    52,479.75x = 1,223,805,291.56
  5. Step 5: Solve for x
    x = 1,223,805,291.56/52,479.75
  6. Step 6: Final answer
    x = 23,319.57

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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.