Home / 53,646.12-80,469.18-28,610.32

Finding the Fourth Proportional to 53,646.12, 80,469.18 and 28,610.32

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Solution

The fourth proportional to 53,646.12, 80,469.18 and 28,610.32 is: 42,915.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,646.12 : 80,469.18 = 28,610.32 : x
  2. Step 2: Convert to fraction form
    53,646.12/80,469.18 = 28,610.32/x
  3. Step 3: Cross multiply
    53,646.12x = 80,469.18 × 28,610.32
  4. Step 4: Simplify right side
    53,646.12x = 2,302,248,788.76
  5. Step 5: Solve for x
    x = 2,302,248,788.76/53,646.12
  6. Step 6: Final answer
    x = 42,915.48

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Similar ratio
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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.