Home / 48,880.20-73,287.90-17,711.40

Finding the Fourth Proportional to 48,880.20, 73,287.90 and 17,711.40

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Solution

The fourth proportional to 48,880.20, 73,287.90 and 17,711.40 is: 26,555.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,880.20 : 73,287.90 = 17,711.40 : x
  2. Step 2: Convert to fraction form
    48,880.20/73,287.90 = 17,711.40/x
  3. Step 3: Cross multiply
    48,880.20x = 73,287.90 × 17,711.40
  4. Step 4: Simplify right side
    48,880.20x = 1,298,031,312.06
  5. Step 5: Solve for x
    x = 1,298,031,312.06/48,880.20
  6. Step 6: Final answer
    x = 26,555.36

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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.