Home / 52,613.53-78,920.28-19,319.18

Finding the Fourth Proportional to 52,613.53, 78,920.28 and 19,319.18

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Solution

The fourth proportional to 52,613.53, 78,920.28 and 19,319.18 is: 28,978.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,613.53 : 78,920.28 = 19,319.18 : x
  2. Step 2: Convert to fraction form
    52,613.53/78,920.28 = 19,319.18/x
  3. Step 3: Cross multiply
    52,613.53x = 78,920.28 × 19,319.18
  4. Step 4: Simplify right side
    52,613.53x = 1,524,675,094.97
  5. Step 5: Solve for x
    x = 1,524,675,094.97/52,613.53
  6. Step 6: Final answer
    x = 28,978.76

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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.