Home / 40,317.72-60,455.85-18,112.05

Finding the Fourth Proportional to 40,317.72, 60,455.85 and 18,112.05

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Solution

The fourth proportional to 40,317.72, 60,455.85 and 18,112.05 is: 27,158.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,317.72 : 60,455.85 = 18,112.05 : x
  2. Step 2: Convert to fraction form
    40,317.72/60,455.85 = 18,112.05/x
  3. Step 3: Cross multiply
    40,317.72x = 60,455.85 × 18,112.05
  4. Step 4: Simplify right side
    40,317.72x = 1,094,979,377.99
  5. Step 5: Solve for x
    x = 1,094,979,377.99/40,317.72
  6. Step 6: Final answer
    x = 27,158.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.