Home / 48,138.30-66,432.15-26,916.30

Finding the Fourth Proportional to 48,138.30, 66,432.15 and 26,916.30

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Solution

The fourth proportional to 48,138.30, 66,432.15 and 26,916.30 is: 37,145.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,138.30 : 66,432.15 = 26,916.30 : x
  2. Step 2: Convert to fraction form
    48,138.30/66,432.15 = 26,916.30/x
  3. Step 3: Cross multiply
    48,138.30x = 66,432.15 × 26,916.30
  4. Step 4: Simplify right side
    48,138.30x = 1,788,107,679.05
  5. Step 5: Solve for x
    x = 1,788,107,679.05/48,138.30
  6. Step 6: Final answer
    x = 37,145.22

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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.