Home / 40,216.89-55,437.92-31,703.79

Finding the Fourth Proportional to 40,216.89, 55,437.92 and 31,703.79

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Solution

The fourth proportional to 40,216.89, 55,437.92 and 31,703.79 is: 43,702.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,216.89 : 55,437.92 = 31,703.79 : x
  2. Step 2: Convert to fraction form
    40,216.89/55,437.92 = 31,703.79/x
  3. Step 3: Cross multiply
    40,216.89x = 55,437.92 × 31,703.79
  4. Step 4: Simplify right side
    40,216.89x = 1,757,592,015.20
  5. Step 5: Solve for x
    x = 1,757,592,015.20/40,216.89
  6. Step 6: Final answer
    x = 43,702.83

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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.