Home / 51,873.98-77,812.47-20,282.76

Finding the Fourth Proportional to 51,873.98, 77,812.47 and 20,282.76

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Solution

The fourth proportional to 51,873.98, 77,812.47 and 20,282.76 is: 30,424.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,873.98 : 77,812.47 = 20,282.76 : x
  2. Step 2: Convert to fraction form
    51,873.98/77,812.47 = 20,282.76/x
  3. Step 3: Cross multiply
    51,873.98x = 77,812.47 × 20,282.76
  4. Step 4: Simplify right side
    51,873.98x = 1,578,251,654.02
  5. Step 5: Solve for x
    x = 1,578,251,654.02/51,873.98
  6. Step 6: Final answer
    x = 30,424.73

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1.5x scale

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.