Home / 40,320.42-55,639.74-22,414.80

Finding the Fourth Proportional to 40,320.42, 55,639.74 and 22,414.80

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Solution

The fourth proportional to 40,320.42, 55,639.74 and 22,414.80 is: 30,931.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,320.42 : 55,639.74 = 22,414.80 : x
  2. Step 2: Convert to fraction form
    40,320.42/55,639.74 = 22,414.80/x
  3. Step 3: Cross multiply
    40,320.42x = 55,639.74 × 22,414.80
  4. Step 4: Simplify right side
    40,320.42x = 1,247,153,644.15
  5. Step 5: Solve for x
    x = 1,247,153,644.15/40,320.42
  6. Step 6: Final answer
    x = 30,931.07

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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.