Home / 52,084.49-78,120.54-13,613.45

Finding the Fourth Proportional to 52,084.49, 78,120.54 and 13,613.45

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Solution

The fourth proportional to 52,084.49, 78,120.54 and 13,613.45 is: 20,418.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,084.49 : 78,120.54 = 13,613.45 : x
  2. Step 2: Convert to fraction form
    52,084.49/78,120.54 = 13,613.45/x
  3. Step 3: Cross multiply
    52,084.49x = 78,120.54 × 13,613.45
  4. Step 4: Simplify right side
    52,084.49x = 1,063,489,674.66
  5. Step 5: Solve for x
    x = 1,063,489,674.66/52,084.49
  6. Step 6: Final answer
    x = 20,418.55

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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.