Home / 51,470.51-77,180.40-21,475.67

Finding the Fourth Proportional to 51,470.51, 77,180.40 and 21,475.67

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Solution

The fourth proportional to 51,470.51, 77,180.40 and 21,475.67 is: 32,202.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,470.51 : 77,180.40 = 21,475.67 : x
  2. Step 2: Convert to fraction form
    51,470.51/77,180.40 = 21,475.67/x
  3. Step 3: Cross multiply
    51,470.51x = 77,180.40 × 21,475.67
  4. Step 4: Simplify right side
    51,470.51x = 1,657,500,414.97
  5. Step 5: Solve for x
    x = 1,657,500,414.97/51,470.51
  6. Step 6: Final answer
    x = 32,202.92

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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.