Home / 48,320.64-66,620.76-31,294.80

Finding the Fourth Proportional to 48,320.64, 66,620.76 and 31,294.80

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Solution

The fourth proportional to 48,320.64, 66,620.76 and 31,294.80 is: 43,146.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,320.64 : 66,620.76 = 31,294.80 : x
  2. Step 2: Convert to fraction form
    48,320.64/66,620.76 = 31,294.80/x
  3. Step 3: Cross multiply
    48,320.64x = 66,620.76 × 31,294.80
  4. Step 4: Simplify right side
    48,320.64x = 2,084,883,360.05
  5. Step 5: Solve for x
    x = 2,084,883,360.05/48,320.64
  6. Step 6: Final answer
    x = 43,146.85

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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.