Home / 37,671.62-51,986.28-21,538.76

Finding the Fourth Proportional to 37,671.62, 51,986.28 and 21,538.76

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Solution

The fourth proportional to 37,671.62, 51,986.28 and 21,538.76 is: 29,723.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,671.62 : 51,986.28 = 21,538.76 : x
  2. Step 2: Convert to fraction form
    37,671.62/51,986.28 = 21,538.76/x
  3. Step 3: Cross multiply
    37,671.62x = 51,986.28 × 21,538.76
  4. Step 4: Simplify right side
    37,671.62x = 1,119,720,008.21
  5. Step 5: Solve for x
    x = 1,119,720,008.21/37,671.62
  6. Step 6: Final answer
    x = 29,723.17

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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.