Home / 40,240.16-55,530.36-22,335.12

Finding the Fourth Proportional to 40,240.16, 55,530.36 and 22,335.12

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Solution

The fourth proportional to 40,240.16, 55,530.36 and 22,335.12 is: 30,821.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,240.16 : 55,530.36 = 22,335.12 : x
  2. Step 2: Convert to fraction form
    40,240.16/55,530.36 = 22,335.12/x
  3. Step 3: Cross multiply
    40,240.16x = 55,530.36 × 22,335.12
  4. Step 4: Simplify right side
    40,240.16x = 1,240,277,254.24
  5. Step 5: Solve for x
    x = 1,240,277,254.24/40,240.16
  6. Step 6: Final answer
    x = 30,821.88

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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.