Home / 51,820.60-77,711.70-16,761.40

Finding the Fourth Proportional to 51,820.60, 77,711.70 and 16,761.40

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Solution

The fourth proportional to 51,820.60, 77,711.70 and 16,761.40 is: 25,135.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,820.60 : 77,711.70 = 16,761.40 : x
  2. Step 2: Convert to fraction form
    51,820.60/77,711.70 = 16,761.40/x
  3. Step 3: Cross multiply
    51,820.60x = 77,711.70 × 16,761.40
  4. Step 4: Simplify right side
    51,820.60x = 1,302,556,888.38
  5. Step 5: Solve for x
    x = 1,302,556,888.38/51,820.60
  6. Step 6: Final answer
    x = 25,135.89

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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.