Home / 40,457.15-55,831.13-22,553.30

Finding the Fourth Proportional to 40,457.15, 55,831.13 and 22,553.30

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Solution

The fourth proportional to 40,457.15, 55,831.13 and 22,553.30 is: 31,123.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,457.15 : 55,831.13 = 22,553.30 : x
  2. Step 2: Convert to fraction form
    40,457.15/55,831.13 = 22,553.30/x
  3. Step 3: Cross multiply
    40,457.15x = 55,831.13 × 22,553.30
  4. Step 4: Simplify right side
    40,457.15x = 1,259,175,832.31
  5. Step 5: Solve for x
    x = 1,259,175,832.31/40,457.15
  6. Step 6: Final answer
    x = 31,123.69

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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.