Home / 60,868.32-91,317.24-19,315.68

Finding the Fourth Proportional to 60,868.32, 91,317.24 and 19,315.68

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Solution

The fourth proportional to 60,868.32, 91,317.24 and 19,315.68 is: 28,978.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,868.32 : 91,317.24 = 19,315.68 : x
  2. Step 2: Convert to fraction form
    60,868.32/91,317.24 = 19,315.68/x
  3. Step 3: Cross multiply
    60,868.32x = 91,317.24 × 19,315.68
  4. Step 4: Simplify right side
    60,868.32x = 1,763,854,586.32
  5. Step 5: Solve for x
    x = 1,763,854,586.32/60,868.32
  6. Step 6: Final answer
    x = 28,978.20

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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.