Home / 48,819.36-67,359.40-28,675.20

Finding the Fourth Proportional to 48,819.36, 67,359.40 and 28,675.20

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Solution

The fourth proportional to 48,819.36, 67,359.40 and 28,675.20 is: 39,565.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,819.36 : 67,359.40 = 28,675.20 : x
  2. Step 2: Convert to fraction form
    48,819.36/67,359.40 = 28,675.20/x
  3. Step 3: Cross multiply
    48,819.36x = 67,359.40 × 28,675.20
  4. Step 4: Simplify right side
    48,819.36x = 1,931,544,266.88
  5. Step 5: Solve for x
    x = 1,931,544,266.88/48,819.36
  6. Step 6: Final answer
    x = 39,565.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.