Home / 40,374.45-55,717.47-22,470.82

Finding the Fourth Proportional to 40,374.45, 55,717.47 and 22,470.82

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Solution

The fourth proportional to 40,374.45, 55,717.47 and 22,470.82 is: 31,010.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,374.45 : 55,717.47 = 22,470.82 : x
  2. Step 2: Convert to fraction form
    40,374.45/55,717.47 = 22,470.82/x
  3. Step 3: Cross multiply
    40,374.45x = 55,717.47 × 22,470.82
  4. Step 4: Simplify right side
    40,374.45x = 1,252,017,099.93
  5. Step 5: Solve for x
    x = 1,252,017,099.93/40,374.45
  6. Step 6: Final answer
    x = 31,010.13

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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.