Home / 57,056.28-78,748.56-38,226.24

Finding the Fourth Proportional to 57,056.28, 78,748.56 and 38,226.24

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Solution

The fourth proportional to 57,056.28, 78,748.56 and 38,226.24 is: 52,759.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,056.28 : 78,748.56 = 38,226.24 : x
  2. Step 2: Convert to fraction form
    57,056.28/78,748.56 = 38,226.24/x
  3. Step 3: Cross multiply
    57,056.28x = 78,748.56 × 38,226.24
  4. Step 4: Simplify right side
    57,056.28x = 3,010,261,354.21
  5. Step 5: Solve for x
    x = 3,010,261,354.21/57,056.28
  6. Step 6: Final answer
    x = 52,759.51

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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.