Home / 51,894.23-77,870.93-20,306.84

Finding the Fourth Proportional to 51,894.23, 77,870.93 and 20,306.84

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Solution

The fourth proportional to 51,894.23, 77,870.93 and 20,306.84 is: 30,471.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,894.23 : 77,870.93 = 20,306.84 : x
  2. Step 2: Convert to fraction form
    51,894.23/77,870.93 = 20,306.84/x
  3. Step 3: Cross multiply
    51,894.23x = 77,870.93 × 20,306.84
  4. Step 4: Simplify right side
    51,894.23x = 1,581,312,025.27
  5. Step 5: Solve for x
    x = 1,581,312,025.27/51,894.23
  6. Step 6: Final answer
    x = 30,471.83

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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.