Home / 51,705.95-77,408.26-38,437.74

Finding the Fourth Proportional to 51,705.95, 77,408.26 and 38,437.74

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Solution

The fourth proportional to 51,705.95, 77,408.26 and 38,437.74 is: 57,544.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,705.95 : 77,408.26 = 38,437.74 : x
  2. Step 2: Convert to fraction form
    51,705.95/77,408.26 = 38,437.74/x
  3. Step 3: Cross multiply
    51,705.95x = 77,408.26 × 38,437.74
  4. Step 4: Simplify right side
    51,705.95x = 2,975,398,475.64
  5. Step 5: Solve for x
    x = 2,975,398,475.64/51,705.95
  6. Step 6: Final answer
    x = 57,544.61

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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.