Home / 42,575.96-63,863.75-12,993.69

Finding the Fourth Proportional to 42,575.96, 63,863.75 and 12,993.69

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Solution

The fourth proportional to 42,575.96, 63,863.75 and 12,993.69 is: 19,490.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,575.96 : 63,863.75 = 12,993.69 : x
  2. Step 2: Convert to fraction form
    42,575.96/63,863.75 = 12,993.69/x
  3. Step 3: Cross multiply
    42,575.96x = 63,863.75 × 12,993.69
  4. Step 4: Simplify right side
    42,575.96x = 829,825,769.74
  5. Step 5: Solve for x
    x = 829,825,769.74/42,575.96
  6. Step 6: Final answer
    x = 19,490.48

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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.