Home / 51,506.32-77,253.40-13,559.44

Finding the Fourth Proportional to 51,506.32, 77,253.40 and 13,559.44

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Solution

The fourth proportional to 51,506.32, 77,253.40 and 13,559.44 is: 20,337.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,506.32 : 77,253.40 = 13,559.44 : x
  2. Step 2: Convert to fraction form
    51,506.32/77,253.40 = 13,559.44/x
  3. Step 3: Cross multiply
    51,506.32x = 77,253.40 × 13,559.44
  4. Step 4: Simplify right side
    51,506.32x = 1,047,512,842.10
  5. Step 5: Solve for x
    x = 1,047,512,842.10/51,506.32
  6. Step 6: Final answer
    x = 20,337.56

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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.