Home / 40,555.44-55,886.76-31,006.12

Finding the Fourth Proportional to 40,555.44, 55,886.76 and 31,006.12

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Solution

The fourth proportional to 40,555.44, 55,886.76 and 31,006.12 is: 42,727.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,555.44 : 55,886.76 = 31,006.12 : x
  2. Step 2: Convert to fraction form
    40,555.44/55,886.76 = 31,006.12/x
  3. Step 3: Cross multiply
    40,555.44x = 55,886.76 × 31,006.12
  4. Step 4: Simplify right side
    40,555.44x = 1,732,831,586.97
  5. Step 5: Solve for x
    x = 1,732,831,586.97/40,555.44
  6. Step 6: Final answer
    x = 42,727.48

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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.