Home / 51,406.80-77,052.60-26,437.20

Finding the Fourth Proportional to 51,406.80, 77,052.60 and 26,437.20

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Solution

The fourth proportional to 51,406.80, 77,052.60 and 26,437.20 is: 39,626.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,406.80 : 77,052.60 = 26,437.20 : x
  2. Step 2: Convert to fraction form
    51,406.80/77,052.60 = 26,437.20/x
  3. Step 3: Cross multiply
    51,406.80x = 77,052.60 × 26,437.20
  4. Step 4: Simplify right side
    51,406.80x = 2,037,054,996.72
  5. Step 5: Solve for x
    x = 2,037,054,996.72/51,406.80
  6. Step 6: Final answer
    x = 39,626.18

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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.