Home / 55,278.02-76,306.38-37,397.28

Finding the Fourth Proportional to 55,278.02, 76,306.38 and 37,397.28

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Solution

The fourth proportional to 55,278.02, 76,306.38 and 37,397.28 is: 51,623.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,278.02 : 76,306.38 = 37,397.28 : x
  2. Step 2: Convert to fraction form
    55,278.02/76,306.38 = 37,397.28/x
  3. Step 3: Cross multiply
    55,278.02x = 76,306.38 × 37,397.28
  4. Step 4: Simplify right side
    55,278.02x = 2,853,651,058.65
  5. Step 5: Solve for x
    x = 2,853,651,058.65/55,278.02
  6. Step 6: Final answer
    x = 51,623.61

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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.