Home / 40,610.89-56,026.05-31,642.82

Finding the Fourth Proportional to 40,610.89, 56,026.05 and 31,642.82

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Solution

The fourth proportional to 40,610.89, 56,026.05 and 31,642.82 is: 43,653.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,610.89 : 56,026.05 = 31,642.82 : x
  2. Step 2: Convert to fraction form
    40,610.89/56,026.05 = 31,642.82/x
  3. Step 3: Cross multiply
    40,610.89x = 56,026.05 × 31,642.82
  4. Step 4: Simplify right side
    40,610.89x = 1,772,822,136.35
  5. Step 5: Solve for x
    x = 1,772,822,136.35/40,610.89
  6. Step 6: Final answer
    x = 43,653.86

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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.