Home / 40,135.68-55,386.66-22,230.63

Finding the Fourth Proportional to 40,135.68, 55,386.66 and 22,230.63

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Solution

The fourth proportional to 40,135.68, 55,386.66 and 22,230.63 is: 30,677.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,135.68 : 55,386.66 = 22,230.63 : x
  2. Step 2: Convert to fraction form
    40,135.68/55,386.66 = 22,230.63/x
  3. Step 3: Cross multiply
    40,135.68x = 55,386.66 × 22,230.63
  4. Step 4: Simplify right side
    40,135.68x = 1,231,280,345.40
  5. Step 5: Solve for x
    x = 1,231,280,345.40/40,135.68
  6. Step 6: Final answer
    x = 30,677.95

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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.