Home / 38,124.75-52,612.17-21,357.75

Finding the Fourth Proportional to 38,124.75, 52,612.17 and 21,357.75

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Solution

The fourth proportional to 38,124.75, 52,612.17 and 21,357.75 is: 29,473.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,124.75 : 52,612.17 = 21,357.75 : x
  2. Step 2: Convert to fraction form
    38,124.75/52,612.17 = 21,357.75/x
  3. Step 3: Cross multiply
    38,124.75x = 52,612.17 × 21,357.75
  4. Step 4: Simplify right side
    38,124.75x = 1,123,677,573.82
  5. Step 5: Solve for x
    x = 1,123,677,573.82/38,124.75
  6. Step 6: Final answer
    x = 29,473.70

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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.