Home / 40,490.71-55,876.81-22,341.60

Finding the Fourth Proportional to 40,490.71, 55,876.81 and 22,341.60

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Solution

The fourth proportional to 40,490.71, 55,876.81 and 22,341.60 is: 30,831.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,490.71 : 55,876.81 = 22,341.60 : x
  2. Step 2: Convert to fraction form
    40,490.71/55,876.81 = 22,341.60/x
  3. Step 3: Cross multiply
    40,490.71x = 55,876.81 × 22,341.60
  4. Step 4: Simplify right side
    40,490.71x = 1,248,377,226.59
  5. Step 5: Solve for x
    x = 1,248,377,226.59/40,490.71
  6. Step 6: Final answer
    x = 30,831.20

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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.