Home / 40,639.68-56,080.13-22,731.62

Finding the Fourth Proportional to 40,639.68, 56,080.13 and 22,731.62

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Solution

The fourth proportional to 40,639.68, 56,080.13 and 22,731.62 is: 31,368.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,639.68 : 56,080.13 = 22,731.62 : x
  2. Step 2: Convert to fraction form
    40,639.68/56,080.13 = 22,731.62/x
  3. Step 3: Cross multiply
    40,639.68x = 56,080.13 × 22,731.62
  4. Step 4: Simplify right side
    40,639.68x = 1,274,791,810.65
  5. Step 5: Solve for x
    x = 1,274,791,810.65/40,639.68
  6. Step 6: Final answer
    x = 31,368.16

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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.