Home / 40,285.08-55,593.41-22,381.72

Finding the Fourth Proportional to 40,285.08, 55,593.41 and 22,381.72

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Solution

The fourth proportional to 40,285.08, 55,593.41 and 22,381.72 is: 30,886.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,285.08 : 55,593.41 = 22,381.72 : x
  2. Step 2: Convert to fraction form
    40,285.08/55,593.41 = 22,381.72/x
  3. Step 3: Cross multiply
    40,285.08x = 55,593.41 × 22,381.72
  4. Step 4: Simplify right side
    40,285.08x = 1,244,275,885.57
  5. Step 5: Solve for x
    x = 1,244,275,885.57/40,285.08
  6. Step 6: Final answer
    x = 30,886.77

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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.