Home / 40,328.30-55,652.76-22,423.16

Finding the Fourth Proportional to 40,328.30, 55,652.76 and 22,423.16

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Solution

The fourth proportional to 40,328.30, 55,652.76 and 22,423.16 is: 30,943.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,328.30 : 55,652.76 = 22,423.16 : x
  2. Step 2: Convert to fraction form
    40,328.30/55,652.76 = 22,423.16/x
  3. Step 3: Cross multiply
    40,328.30x = 55,652.76 × 22,423.16
  4. Step 4: Simplify right side
    40,328.30x = 1,247,910,741.92
  5. Step 5: Solve for x
    x = 1,247,910,741.92/40,328.30
  6. Step 6: Final answer
    x = 30,943.80

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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.