Home / 42,489.36-63,733.50-19,099.26

Finding the Fourth Proportional to 42,489.36, 63,733.50 and 19,099.26

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Solution

The fourth proportional to 42,489.36, 63,733.50 and 19,099.26 is: 28,648.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,489.36 : 63,733.50 = 19,099.26 : x
  2. Step 2: Convert to fraction form
    42,489.36/63,733.50 = 19,099.26/x
  3. Step 3: Cross multiply
    42,489.36x = 63,733.50 × 19,099.26
  4. Step 4: Simplify right side
    42,489.36x = 1,217,262,687.21
  5. Step 5: Solve for x
    x = 1,217,262,687.21/42,489.36
  6. Step 6: Final answer
    x = 28,648.65

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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.