Home / 40,230.24-60,345.12-21,878.88

Finding the Fourth Proportional to 40,230.24, 60,345.12 and 21,878.88

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Solution

The fourth proportional to 40,230.24, 60,345.12 and 21,878.88 is: 32,818.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,230.24 : 60,345.12 = 21,878.88 : x
  2. Step 2: Convert to fraction form
    40,230.24/60,345.12 = 21,878.88/x
  3. Step 3: Cross multiply
    40,230.24x = 60,345.12 × 21,878.88
  4. Step 4: Simplify right side
    40,230.24x = 1,320,283,639.07
  5. Step 5: Solve for x
    x = 1,320,283,639.07/40,230.24
  6. Step 6: Final answer
    x = 32,818.19

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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.