Home / 57,052.26-78,728.85-31,557.06

Finding the Fourth Proportional to 57,052.26, 78,728.85 and 31,557.06

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Solution

The fourth proportional to 57,052.26, 78,728.85 and 31,557.06 is: 43,546.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,052.26 : 78,728.85 = 31,557.06 : x
  2. Step 2: Convert to fraction form
    57,052.26/78,728.85 = 31,557.06/x
  3. Step 3: Cross multiply
    57,052.26x = 78,728.85 × 31,557.06
  4. Step 4: Simplify right side
    57,052.26x = 2,484,451,043.18
  5. Step 5: Solve for x
    x = 2,484,451,043.18/57,052.26
  6. Step 6: Final answer
    x = 43,546.93

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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.