Home / 40,613.16-56,042.34-22,705.68

Finding the Fourth Proportional to 40,613.16, 56,042.34 and 22,705.68

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Solution

The fourth proportional to 40,613.16, 56,042.34 and 22,705.68 is: 31,331.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,613.16 : 56,042.34 = 22,705.68 : x
  2. Step 2: Convert to fraction form
    40,613.16/56,042.34 = 22,705.68/x
  3. Step 3: Cross multiply
    40,613.16x = 56,042.34 × 22,705.68
  4. Step 4: Simplify right side
    40,613.16x = 1,272,479,438.49
  5. Step 5: Solve for x
    x = 1,272,479,438.49/40,613.16
  6. Step 6: Final answer
    x = 31,331.70

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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.