Home / 37,612.52-51,902.89-20,613.76

Finding the Fourth Proportional to 37,612.52, 51,902.89 and 20,613.76

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Solution

The fourth proportional to 37,612.52, 51,902.89 and 20,613.76 is: 28,445.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,612.52 : 51,902.89 = 20,613.76 : x
  2. Step 2: Convert to fraction form
    37,612.52/51,902.89 = 20,613.76/x
  3. Step 3: Cross multiply
    37,612.52x = 51,902.89 × 20,613.76
  4. Step 4: Simplify right side
    37,612.52x = 1,069,913,731.11
  5. Step 5: Solve for x
    x = 1,069,913,731.11/37,612.52
  6. Step 6: Final answer
    x = 28,445.68

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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.