Home / 40,778.52-56,385.36-35,529.72

Finding the Fourth Proportional to 40,778.52, 56,385.36 and 35,529.72

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Solution

The fourth proportional to 40,778.52, 56,385.36 and 35,529.72 is: 49,127.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,778.52 : 56,385.36 = 35,529.72 : x
  2. Step 2: Convert to fraction form
    40,778.52/56,385.36 = 35,529.72/x
  3. Step 3: Cross multiply
    40,778.52x = 56,385.36 × 35,529.72
  4. Step 4: Simplify right side
    40,778.52x = 2,003,356,052.90
  5. Step 5: Solve for x
    x = 2,003,356,052.90/40,778.52
  6. Step 6: Final answer
    x = 49,127.73

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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.