Home / 48,139.70-66,432.78-26,919.02

Finding the Fourth Proportional to 48,139.70, 66,432.78 and 26,919.02

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Solution

The fourth proportional to 48,139.70, 66,432.78 and 26,919.02 is: 37,148.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,139.70 : 66,432.78 = 26,919.02 : x
  2. Step 2: Convert to fraction form
    48,139.70/66,432.78 = 26,919.02/x
  3. Step 3: Cross multiply
    48,139.70x = 66,432.78 × 26,919.02
  4. Step 4: Simplify right side
    48,139.70x = 1,788,305,333.48
  5. Step 5: Solve for x
    x = 1,788,305,333.48/48,139.70
  6. Step 6: Final answer
    x = 37,148.24

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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.