Home / 40,339.12-55,664.76-22,434.16

Finding the Fourth Proportional to 40,339.12, 55,664.76 and 22,434.16

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Solution

The fourth proportional to 40,339.12, 55,664.76 and 22,434.16 is: 30,957.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,339.12 : 55,664.76 = 22,434.16 : x
  2. Step 2: Convert to fraction form
    40,339.12/55,664.76 = 22,434.16/x
  3. Step 3: Cross multiply
    40,339.12x = 55,664.76 × 22,434.16
  4. Step 4: Simplify right side
    40,339.12x = 1,248,792,132.20
  5. Step 5: Solve for x
    x = 1,248,792,132.20/40,339.12
  6. Step 6: Final answer
    x = 30,957.35

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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.