Home / 47,840.50-71,255.39-45,342.46

Finding the Fourth Proportional to 47,840.50, 71,255.39 and 45,342.46

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Solution

The fourth proportional to 47,840.50, 71,255.39 and 45,342.46 is: 67,534.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,840.50 : 71,255.39 = 45,342.46 : x
  2. Step 2: Convert to fraction form
    47,840.50/71,255.39 = 45,342.46/x
  3. Step 3: Cross multiply
    47,840.50x = 71,255.39 × 45,342.46
  4. Step 4: Simplify right side
    47,840.50x = 3,230,894,670.86
  5. Step 5: Solve for x
    x = 3,230,894,670.86/47,840.50
  6. Step 6: Final answer
    x = 67,534.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.