Home / 40,385.78-55,738.36-24,254.18

Finding the Fourth Proportional to 40,385.78, 55,738.36 and 24,254.18

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Solution

The fourth proportional to 40,385.78, 55,738.36 and 24,254.18 is: 33,474.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,385.78 : 55,738.36 = 24,254.18 : x
  2. Step 2: Convert to fraction form
    40,385.78/55,738.36 = 24,254.18/x
  3. Step 3: Cross multiply
    40,385.78x = 55,738.36 × 24,254.18
  4. Step 4: Simplify right side
    40,385.78x = 1,351,888,216.34
  5. Step 5: Solve for x
    x = 1,351,888,216.34/40,385.78
  6. Step 6: Final answer
    x = 33,474.36

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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.