Home / 57,189.24-78,822.58-38,034.76

Finding the Fourth Proportional to 57,189.24, 78,822.58 and 38,034.76

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Solution

The fourth proportional to 57,189.24, 78,822.58 and 38,034.76 is: 52,422.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,189.24 : 78,822.58 = 38,034.76 : x
  2. Step 2: Convert to fraction form
    57,189.24/78,822.58 = 38,034.76/x
  3. Step 3: Cross multiply
    57,189.24x = 78,822.58 × 38,034.76
  4. Step 4: Simplify right side
    57,189.24x = 2,997,997,620.74
  5. Step 5: Solve for x
    x = 2,997,997,620.74/57,189.24
  6. Step 6: Final answer
    x = 52,422.41

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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.