Home / 40,518.16-55,899.45-25,384.49

Finding the Fourth Proportional to 40,518.16, 55,899.45 and 25,384.49

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Solution

The fourth proportional to 40,518.16, 55,899.45 and 25,384.49 is: 35,020.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,518.16 : 55,899.45 = 25,384.49 : x
  2. Step 2: Convert to fraction form
    40,518.16/55,899.45 = 25,384.49/x
  3. Step 3: Cross multiply
    40,518.16x = 55,899.45 × 25,384.49
  4. Step 4: Simplify right side
    40,518.16x = 1,418,978,959.66
  5. Step 5: Solve for x
    x = 1,418,978,959.66/40,518.16
  6. Step 6: Final answer
    x = 35,020.82

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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.