Home / 40,106.95-55,348.08-22,203.61

Finding the Fourth Proportional to 40,106.95, 55,348.08 and 22,203.61

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Solution

The fourth proportional to 40,106.95, 55,348.08 and 22,203.61 is: 30,641.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,106.95 : 55,348.08 = 22,203.61 : x
  2. Step 2: Convert to fraction form
    40,106.95/55,348.08 = 22,203.61/x
  3. Step 3: Cross multiply
    40,106.95x = 55,348.08 × 22,203.61
  4. Step 4: Simplify right side
    40,106.95x = 1,228,927,182.57
  5. Step 5: Solve for x
    x = 1,228,927,182.57/40,106.95
  6. Step 6: Final answer
    x = 30,641.25

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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.