Home / 40,064.18-55,289.05-22,158.72

Finding the Fourth Proportional to 40,064.18, 55,289.05 and 22,158.72

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Solution

The fourth proportional to 40,064.18, 55,289.05 and 22,158.72 is: 30,579.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,064.18 : 55,289.05 = 22,158.72 : x
  2. Step 2: Convert to fraction form
    40,064.18/55,289.05 = 22,158.72/x
  3. Step 3: Cross multiply
    40,064.18x = 55,289.05 × 22,158.72
  4. Step 4: Simplify right side
    40,064.18x = 1,225,134,522.62
  5. Step 5: Solve for x
    x = 1,225,134,522.62/40,064.18
  6. Step 6: Final answer
    x = 30,579.30

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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.