Home / 58,350.25-87,534.61-20,909.50

Finding the Fourth Proportional to 58,350.25, 87,534.61 and 20,909.50

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Solution

The fourth proportional to 58,350.25, 87,534.61 and 20,909.50 is: 31,367.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,350.25 : 87,534.61 = 20,909.50 : x
  2. Step 2: Convert to fraction form
    58,350.25/87,534.61 = 20,909.50/x
  3. Step 3: Cross multiply
    58,350.25x = 87,534.61 × 20,909.50
  4. Step 4: Simplify right side
    58,350.25x = 1,830,304,656.68
  5. Step 5: Solve for x
    x = 1,830,304,656.68/58,350.25
  6. Step 6: Final answer
    x = 31,367.55

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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.