Home / 53,319.03-79,982.79-31,134.65

Finding the Fourth Proportional to 53,319.03, 79,982.79 and 31,134.65

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Solution

The fourth proportional to 53,319.03, 79,982.79 and 31,134.65 is: 46,704.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,319.03 : 79,982.79 = 31,134.65 : x
  2. Step 2: Convert to fraction form
    53,319.03/79,982.79 = 31,134.65/x
  3. Step 3: Cross multiply
    53,319.03x = 79,982.79 × 31,134.65
  4. Step 4: Simplify right side
    53,319.03x = 2,490,235,772.76
  5. Step 5: Solve for x
    x = 2,490,235,772.76/53,319.03
  6. Step 6: Final answer
    x = 46,704.45

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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.