Home / 42,145.89-63,228.07-15,850.62

Finding the Fourth Proportional to 42,145.89, 63,228.07 and 15,850.62

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Solution

The fourth proportional to 42,145.89, 63,228.07 and 15,850.62 is: 23,779.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,145.89 : 63,228.07 = 15,850.62 : x
  2. Step 2: Convert to fraction form
    42,145.89/63,228.07 = 15,850.62/x
  3. Step 3: Cross multiply
    42,145.89x = 63,228.07 × 15,850.62
  4. Step 4: Simplify right side
    42,145.89x = 1,002,204,031.65
  5. Step 5: Solve for x
    x = 1,002,204,031.65/42,145.89
  6. Step 6: Final answer
    x = 23,779.40

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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.