Home / 40,034.88-55,253.63-23,038.78

Finding the Fourth Proportional to 40,034.88, 55,253.63 and 23,038.78

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Solution

The fourth proportional to 40,034.88, 55,253.63 and 23,038.78 is: 31,796.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,034.88 : 55,253.63 = 23,038.78 : x
  2. Step 2: Convert to fraction form
    40,034.88/55,253.63 = 23,038.78/x
  3. Step 3: Cross multiply
    40,034.88x = 55,253.63 × 23,038.78
  4. Step 4: Simplify right side
    40,034.88x = 1,272,976,225.77
  5. Step 5: Solve for x
    x = 1,272,976,225.77/40,034.88
  6. Step 6: Final answer
    x = 31,796.68

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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.