Home / 51,815.43-77,764.59-26,862.57

Finding the Fourth Proportional to 51,815.43, 77,764.59 and 26,862.57

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Solution

The fourth proportional to 51,815.43, 77,764.59 and 26,862.57 is: 40,315.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,815.43 : 77,764.59 = 26,862.57 : x
  2. Step 2: Convert to fraction form
    51,815.43/77,764.59 = 26,862.57/x
  3. Step 3: Cross multiply
    51,815.43x = 77,764.59 × 26,862.57
  4. Step 4: Simplify right side
    51,815.43x = 2,088,956,742.40
  5. Step 5: Solve for x
    x = 2,088,956,742.40/51,815.43
  6. Step 6: Final answer
    x = 40,315.34

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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.