Home / 40,981.10-56,555.65-22,831.80

Finding the Fourth Proportional to 40,981.10, 56,555.65 and 22,831.80

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Solution

The fourth proportional to 40,981.10, 56,555.65 and 22,831.80 is: 31,508.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,981.10 : 56,555.65 = 22,831.80 : x
  2. Step 2: Convert to fraction form
    40,981.10/56,555.65 = 22,831.80/x
  3. Step 3: Cross multiply
    40,981.10x = 56,555.65 × 22,831.80
  4. Step 4: Simplify right side
    40,981.10x = 1,291,267,431.06
  5. Step 5: Solve for x
    x = 1,291,267,431.06/40,981.10
  6. Step 6: Final answer
    x = 31,508.86

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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.