Home / 51,995.08-71,753.16-28,121.80

Finding the Fourth Proportional to 51,995.08, 71,753.16 and 28,121.80

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Solution

The fourth proportional to 51,995.08, 71,753.16 and 28,121.80 is: 38,808.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,995.08 : 71,753.16 = 28,121.80 : x
  2. Step 2: Convert to fraction form
    51,995.08/71,753.16 = 28,121.80/x
  3. Step 3: Cross multiply
    51,995.08x = 71,753.16 × 28,121.80
  4. Step 4: Simplify right side
    51,995.08x = 2,017,828,014.89
  5. Step 5: Solve for x
    x = 2,017,828,014.89/51,995.08
  6. Step 6: Final answer
    x = 38,808.06

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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.