Home / 57,342.30-85,840.65-50,430.30

Finding the Fourth Proportional to 57,342.30, 85,840.65 and 50,430.30

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Solution

The fourth proportional to 57,342.30, 85,840.65 and 50,430.30 is: 75,493.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,342.30 : 85,840.65 = 50,430.30 : x
  2. Step 2: Convert to fraction form
    57,342.30/85,840.65 = 50,430.30/x
  3. Step 3: Cross multiply
    57,342.30x = 85,840.65 × 50,430.30
  4. Step 4: Simplify right side
    57,342.30x = 4,328,969,731.70
  5. Step 5: Solve for x
    x = 4,328,969,731.70/57,342.30
  6. Step 6: Final answer
    x = 75,493.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.