Home / 51,523.71-77,259-30,470.19

Finding the Fourth Proportional to 51,523.71, 77,259 and 30,470.19

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Solution

The fourth proportional to 51,523.71, 77,259 and 30,470.19 is: 45,689.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,523.71 : 77,259 = 30,470.19 : x
  2. Step 2: Convert to fraction form
    51,523.71/77,259 = 30,470.19/x
  3. Step 3: Cross multiply
    51,523.71x = 77,259 × 30,470.19
  4. Step 4: Simplify right side
    51,523.71x = 2,354,096,409.21
  5. Step 5: Solve for x
    x = 2,354,096,409.21/51,523.71
  6. Step 6: Final answer
    x = 45,689.57

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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.