Home / 40,244.47-55,539.89-22,339.78

Finding the Fourth Proportional to 40,244.47, 55,539.89 and 22,339.78

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Solution

The fourth proportional to 40,244.47, 55,539.89 and 22,339.78 is: 30,830.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,244.47 : 55,539.89 = 22,339.78 : x
  2. Step 2: Convert to fraction form
    40,244.47/55,539.89 = 22,339.78/x
  3. Step 3: Cross multiply
    40,244.47x = 55,539.89 × 22,339.78
  4. Step 4: Simplify right side
    40,244.47x = 1,240,748,923.82
  5. Step 5: Solve for x
    x = 1,240,748,923.82/40,244.47
  6. Step 6: Final answer
    x = 30,830.30

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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.