Home / 58,591.20-87,877.80-19,148.52

Finding the Fourth Proportional to 58,591.20, 87,877.80 and 19,148.52

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Solution

The fourth proportional to 58,591.20, 87,877.80 and 19,148.52 is: 28,719.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,591.20 : 87,877.80 = 19,148.52 : x
  2. Step 2: Convert to fraction form
    58,591.20/87,877.80 = 19,148.52/x
  3. Step 3: Cross multiply
    58,591.20x = 87,877.80 × 19,148.52
  4. Step 4: Simplify right side
    58,591.20x = 1,682,729,810.86
  5. Step 5: Solve for x
    x = 1,682,729,810.86/58,591.20
  6. Step 6: Final answer
    x = 28,719.84

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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.