Home / 40,122.30-55,368.08-22,216.92

Finding the Fourth Proportional to 40,122.30, 55,368.08 and 22,216.92

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Solution

The fourth proportional to 40,122.30, 55,368.08 and 22,216.92 is: 30,658.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,122.30 : 55,368.08 = 22,216.92 : x
  2. Step 2: Convert to fraction form
    40,122.30/55,368.08 = 22,216.92/x
  3. Step 3: Cross multiply
    40,122.30x = 55,368.08 × 22,216.92
  4. Step 4: Simplify right side
    40,122.30x = 1,230,107,927.07
  5. Step 5: Solve for x
    x = 1,230,107,927.07/40,122.30
  6. Step 6: Final answer
    x = 30,658.96

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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.