Home / 51,209.16-77,085.48-36,519.72

Finding the Fourth Proportional to 51,209.16, 77,085.48 and 36,519.72

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Solution

The fourth proportional to 51,209.16, 77,085.48 and 36,519.72 is: 54,973.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,209.16 : 77,085.48 = 36,519.72 : x
  2. Step 2: Convert to fraction form
    51,209.16/77,085.48 = 36,519.72/x
  3. Step 3: Cross multiply
    51,209.16x = 77,085.48 × 36,519.72
  4. Step 4: Simplify right side
    51,209.16x = 2,815,140,145.67
  5. Step 5: Solve for x
    x = 2,815,140,145.67/51,209.16
  6. Step 6: Final answer
    x = 54,973.37

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.