Home / 42,627.99-63,939.71-13,045.85

Finding the Fourth Proportional to 42,627.99, 63,939.71 and 13,045.85

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Solution

The fourth proportional to 42,627.99, 63,939.71 and 13,045.85 is: 19,568.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,627.99 : 63,939.71 = 13,045.85 : x
  2. Step 2: Convert to fraction form
    42,627.99/63,939.71 = 13,045.85/x
  3. Step 3: Cross multiply
    42,627.99x = 63,939.71 × 13,045.85
  4. Step 4: Simplify right side
    42,627.99x = 834,147,578.62
  5. Step 5: Solve for x
    x = 834,147,578.62/42,627.99
  6. Step 6: Final answer
    x = 19,568.07

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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.