Home / 57,604.10-79,507.60-38,484.86

Finding the Fourth Proportional to 57,604.10, 79,507.60 and 38,484.86

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Solution

The fourth proportional to 57,604.10, 79,507.60 and 38,484.86 is: 53,118.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,604.10 : 79,507.60 = 38,484.86 : x
  2. Step 2: Convert to fraction form
    57,604.10/79,507.60 = 38,484.86/x
  3. Step 3: Cross multiply
    57,604.10x = 79,507.60 × 38,484.86
  4. Step 4: Simplify right side
    57,604.10x = 3,059,838,854.94
  5. Step 5: Solve for x
    x = 3,059,838,854.94/57,604.10
  6. Step 6: Final answer
    x = 53,118.42

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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.