Home / 48,106.20-72,191.70-28,363.80

Finding the Fourth Proportional to 48,106.20, 72,191.70 and 28,363.80

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Solution

The fourth proportional to 48,106.20, 72,191.70 and 28,363.80 is: 42,564.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,106.20 : 72,191.70 = 28,363.80 : x
  2. Step 2: Convert to fraction form
    48,106.20/72,191.70 = 28,363.80/x
  3. Step 3: Cross multiply
    48,106.20x = 72,191.70 × 28,363.80
  4. Step 4: Simplify right side
    48,106.20x = 2,047,630,940.46
  5. Step 5: Solve for x
    x = 2,047,630,940.46/48,106.20
  6. Step 6: Final answer
    x = 42,564.80

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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.