Home / 51,647.12-71,266.17-28,985.24

Finding the Fourth Proportional to 51,647.12, 71,266.17 and 28,985.24

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Solution

The fourth proportional to 51,647.12, 71,266.17 and 28,985.24 is: 39,995.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,647.12 : 71,266.17 = 28,985.24 : x
  2. Step 2: Convert to fraction form
    51,647.12/71,266.17 = 28,985.24/x
  3. Step 3: Cross multiply
    51,647.12x = 71,266.17 × 28,985.24
  4. Step 4: Simplify right side
    51,647.12x = 2,065,667,041.33
  5. Step 5: Solve for x
    x = 2,065,667,041.33/51,647.12
  6. Step 6: Final answer
    x = 39,995.78

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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.