Home / 52,376.55-78,517.14-19,089.01

Finding the Fourth Proportional to 52,376.55, 78,517.14 and 19,089.01

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Solution

The fourth proportional to 52,376.55, 78,517.14 and 19,089.01 is: 28,616.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,376.55 : 78,517.14 = 19,089.01 : x
  2. Step 2: Convert to fraction form
    52,376.55/78,517.14 = 19,089.01/x
  3. Step 3: Cross multiply
    52,376.55x = 78,517.14 × 19,089.01
  4. Step 4: Simplify right side
    52,376.55x = 1,498,814,470.63
  5. Step 5: Solve for x
    x = 1,498,814,470.63/52,376.55
  6. Step 6: Final answer
    x = 28,616.14

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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.