Home / 52,016.80-71,783.20-28,143.46

Finding the Fourth Proportional to 52,016.80, 71,783.20 and 28,143.46

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Solution

The fourth proportional to 52,016.80, 71,783.20 and 28,143.46 is: 38,837.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,016.80 : 71,783.20 = 28,143.46 : x
  2. Step 2: Convert to fraction form
    52,016.80/71,783.20 = 28,143.46/x
  3. Step 3: Cross multiply
    52,016.80x = 71,783.20 × 28,143.46
  4. Step 4: Simplify right side
    52,016.80x = 2,020,227,617.87
  5. Step 5: Solve for x
    x = 2,020,227,617.87/52,016.80
  6. Step 6: Final answer
    x = 38,837.98

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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.