Home / 40,666.68-56,120.01-22,761.69

Finding the Fourth Proportional to 40,666.68, 56,120.01 and 22,761.69

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Solution

The fourth proportional to 40,666.68, 56,120.01 and 22,761.69 is: 31,411.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,666.68 : 56,120.01 = 22,761.69 : x
  2. Step 2: Convert to fraction form
    40,666.68/56,120.01 = 22,761.69/x
  3. Step 3: Cross multiply
    40,666.68x = 56,120.01 × 22,761.69
  4. Step 4: Simplify right side
    40,666.68x = 1,277,386,270.42
  5. Step 5: Solve for x
    x = 1,277,386,270.42/40,666.68
  6. Step 6: Final answer
    x = 31,411.13

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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.