Home / 40,317.30-55,639.30-22,169.40

Finding the Fourth Proportional to 40,317.30, 55,639.30 and 22,169.40

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Solution

The fourth proportional to 40,317.30, 55,639.30 and 22,169.40 is: 30,594.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,317.30 : 55,639.30 = 22,169.40 : x
  2. Step 2: Convert to fraction form
    40,317.30/55,639.30 = 22,169.40/x
  3. Step 3: Cross multiply
    40,317.30x = 55,639.30 × 22,169.40
  4. Step 4: Simplify right side
    40,317.30x = 1,233,490,011.42
  5. Step 5: Solve for x
    x = 1,233,490,011.42/40,317.30
  6. Step 6: Final answer
    x = 30,594.56

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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.