Home / 40,688.96-56,151.28-22,785.52

Finding the Fourth Proportional to 40,688.96, 56,151.28 and 22,785.52

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Solution

The fourth proportional to 40,688.96, 56,151.28 and 22,785.52 is: 31,444.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,688.96 : 56,151.28 = 22,785.52 : x
  2. Step 2: Convert to fraction form
    40,688.96/56,151.28 = 22,785.52/x
  3. Step 3: Cross multiply
    40,688.96x = 56,151.28 × 22,785.52
  4. Step 4: Simplify right side
    40,688.96x = 1,279,436,113.47
  5. Step 5: Solve for x
    x = 1,279,436,113.47/40,688.96
  6. Step 6: Final answer
    x = 31,444.31

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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.