Home / 40,240.23-55,531.50-22,335.21

Finding the Fourth Proportional to 40,240.23, 55,531.50 and 22,335.21

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Solution

The fourth proportional to 40,240.23, 55,531.50 and 22,335.21 is: 30,822.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,240.23 : 55,531.50 = 22,335.21 : x
  2. Step 2: Convert to fraction form
    40,240.23/55,531.50 = 22,335.21/x
  3. Step 3: Cross multiply
    40,240.23x = 55,531.50 × 22,335.21
  4. Step 4: Simplify right side
    40,240.23x = 1,240,307,714.12
  5. Step 5: Solve for x
    x = 1,240,307,714.12/40,240.23
  6. Step 6: Final answer
    x = 30,822.58

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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.