Home / 52,404.56-72,319.80-28,531.64

Finding the Fourth Proportional to 52,404.56, 72,319.80 and 28,531.64

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Solution

The fourth proportional to 52,404.56, 72,319.80 and 28,531.64 is: 39,374.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,404.56 : 72,319.80 = 28,531.64 : x
  2. Step 2: Convert to fraction form
    52,404.56/72,319.80 = 28,531.64/x
  3. Step 3: Cross multiply
    52,404.56x = 72,319.80 × 28,531.64
  4. Step 4: Simplify right side
    52,404.56x = 2,063,402,136.87
  5. Step 5: Solve for x
    x = 2,063,402,136.87/52,404.56
  6. Step 6: Final answer
    x = 39,374.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.