Home / 60,687.28-91,030.88-19,137.52

Finding the Fourth Proportional to 60,687.28, 91,030.88 and 19,137.52

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Solution

The fourth proportional to 60,687.28, 91,030.88 and 19,137.52 is: 28,706.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,687.28 : 91,030.88 = 19,137.52 : x
  2. Step 2: Convert to fraction form
    60,687.28/91,030.88 = 19,137.52/x
  3. Step 3: Cross multiply
    60,687.28x = 91,030.88 × 19,137.52
  4. Step 4: Simplify right side
    60,687.28x = 1,742,105,286.62
  5. Step 5: Solve for x
    x = 1,742,105,286.62/60,687.28
  6. Step 6: Final answer
    x = 28,706.27

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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.