Home / 51,310.24-70,742.22-42,077.68

Finding the Fourth Proportional to 51,310.24, 70,742.22 and 42,077.68

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Solution

The fourth proportional to 51,310.24, 70,742.22 and 42,077.68 is: 58,013.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,310.24 : 70,742.22 = 42,077.68 : x
  2. Step 2: Convert to fraction form
    51,310.24/70,742.22 = 42,077.68/x
  3. Step 3: Cross multiply
    51,310.24x = 70,742.22 × 42,077.68
  4. Step 4: Simplify right side
    51,310.24x = 2,976,668,495.65
  5. Step 5: Solve for x
    x = 2,976,668,495.65/51,310.24
  6. Step 6: Final answer
    x = 58,013.15

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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.