Home / 48,535.30-66,960.46-28,385.74

Finding the Fourth Proportional to 48,535.30, 66,960.46 and 28,385.74

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Solution

The fourth proportional to 48,535.30, 66,960.46 and 28,385.74 is: 39,161.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,535.30 : 66,960.46 = 28,385.74 : x
  2. Step 2: Convert to fraction form
    48,535.30/66,960.46 = 28,385.74/x
  3. Step 3: Cross multiply
    48,535.30x = 66,960.46 × 28,385.74
  4. Step 4: Simplify right side
    48,535.30x = 1,900,722,207.84
  5. Step 5: Solve for x
    x = 1,900,722,207.84/48,535.30
  6. Step 6: Final answer
    x = 39,161.65

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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.