Home / 40,186.71-55,456.47-22,280.58

Finding the Fourth Proportional to 40,186.71, 55,456.47 and 22,280.58

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Solution

The fourth proportional to 40,186.71, 55,456.47 and 22,280.58 is: 30,746.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,186.71 : 55,456.47 = 22,280.58 : x
  2. Step 2: Convert to fraction form
    40,186.71/55,456.47 = 22,280.58/x
  3. Step 3: Cross multiply
    40,186.71x = 55,456.47 × 22,280.58
  4. Step 4: Simplify right side
    40,186.71x = 1,235,602,316.35
  5. Step 5: Solve for x
    x = 1,235,602,316.35/40,186.71
  6. Step 6: Final answer
    x = 30,746.54

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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.