Home / 37,920.88-52,332.42-21,153.88

Finding the Fourth Proportional to 37,920.88, 52,332.42 and 21,153.88

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Solution

The fourth proportional to 37,920.88, 52,332.42 and 21,153.88 is: 29,193.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,920.88 : 52,332.42 = 21,153.88 : x
  2. Step 2: Convert to fraction form
    37,920.88/52,332.42 = 21,153.88/x
  3. Step 3: Cross multiply
    37,920.88x = 52,332.42 × 21,153.88
  4. Step 4: Simplify right side
    37,920.88x = 1,107,033,732.79
  5. Step 5: Solve for x
    x = 1,107,033,732.79/37,920.88
  6. Step 6: Final answer
    x = 29,193.25

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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.