Home / 48,638.19-67,120.92-28,498.65

Finding the Fourth Proportional to 48,638.19, 67,120.92 and 28,498.65

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Solution

The fourth proportional to 48,638.19, 67,120.92 and 28,498.65 is: 39,328.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,638.19 : 67,120.92 = 28,498.65 : x
  2. Step 2: Convert to fraction form
    48,638.19/67,120.92 = 28,498.65/x
  3. Step 3: Cross multiply
    48,638.19x = 67,120.92 × 28,498.65
  4. Step 4: Simplify right side
    48,638.19x = 1,912,855,606.76
  5. Step 5: Solve for x
    x = 1,912,855,606.76/48,638.19
  6. Step 6: Final answer
    x = 39,328.26

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1.5x scale

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.