Home / 57,146.60-78,860.04-31,995.56

Finding the Fourth Proportional to 57,146.60, 78,860.04 and 31,995.56

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Solution

The fourth proportional to 57,146.60, 78,860.04 and 31,995.56 is: 44,152.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,146.60 : 78,860.04 = 31,995.56 : x
  2. Step 2: Convert to fraction form
    57,146.60/78,860.04 = 31,995.56/x
  3. Step 3: Cross multiply
    57,146.60x = 78,860.04 × 31,995.56
  4. Step 4: Simplify right side
    57,146.60x = 2,523,171,141.42
  5. Step 5: Solve for x
    x = 2,523,171,141.42/57,146.60
  6. Step 6: Final answer
    x = 44,152.60

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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.