Home / 51,980.04-71,750.87-30,759.25

Finding the Fourth Proportional to 51,980.04, 71,750.87 and 30,759.25

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Solution

The fourth proportional to 51,980.04, 71,750.87 and 30,759.25 is: 42,458.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,980.04 : 71,750.87 = 30,759.25 : x
  2. Step 2: Convert to fraction form
    51,980.04/71,750.87 = 30,759.25/x
  3. Step 3: Cross multiply
    51,980.04x = 71,750.87 × 30,759.25
  4. Step 4: Simplify right side
    51,980.04x = 2,207,002,948.05
  5. Step 5: Solve for x
    x = 2,207,002,948.05/51,980.04
  6. Step 6: Final answer
    x = 42,458.66

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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.