Home / 60,584.53-90,870.30-21,142.39

Finding the Fourth Proportional to 60,584.53, 90,870.30 and 21,142.39

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Solution

The fourth proportional to 60,584.53, 90,870.30 and 21,142.39 is: 31,711.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,584.53 : 90,870.30 = 21,142.39 : x
  2. Step 2: Convert to fraction form
    60,584.53/90,870.30 = 21,142.39/x
  3. Step 3: Cross multiply
    60,584.53x = 90,870.30 × 21,142.39
  4. Step 4: Simplify right side
    60,584.53x = 1,921,215,322.02
  5. Step 5: Solve for x
    x = 1,921,215,322.02/60,584.53
  6. Step 6: Final answer
    x = 31,711.32

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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.