Home / 37,487.28-51,732.36-21,574.86

Finding the Fourth Proportional to 37,487.28, 51,732.36 and 21,574.86

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Solution

The fourth proportional to 37,487.28, 51,732.36 and 21,574.86 is: 29,773.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,487.28 : 51,732.36 = 21,574.86 : x
  2. Step 2: Convert to fraction form
    37,487.28/51,732.36 = 21,574.86/x
  3. Step 3: Cross multiply
    37,487.28x = 51,732.36 × 21,574.86
  4. Step 4: Simplify right side
    37,487.28x = 1,116,118,424.47
  5. Step 5: Solve for x
    x = 1,116,118,424.47/37,487.28
  6. Step 6: Final answer
    x = 29,773.26

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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.