Home / 42,228.04-63,324.24-12,650.08

Finding the Fourth Proportional to 42,228.04, 63,324.24 and 12,650.08

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Solution

The fourth proportional to 42,228.04, 63,324.24 and 12,650.08 is: 18,969.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,228.04 : 63,324.24 = 12,650.08 : x
  2. Step 2: Convert to fraction form
    42,228.04/63,324.24 = 12,650.08/x
  3. Step 3: Cross multiply
    42,228.04x = 63,324.24 × 12,650.08
  4. Step 4: Simplify right side
    42,228.04x = 801,056,701.94
  5. Step 5: Solve for x
    x = 801,056,701.94/42,228.04
  6. Step 6: Final answer
    x = 18,969.78

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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.