Home / 51,558.54-77,268.69-42,434.70

Finding the Fourth Proportional to 51,558.54, 77,268.69 and 42,434.70

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Solution

The fourth proportional to 51,558.54, 77,268.69 and 42,434.70 is: 63,595.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,558.54 : 77,268.69 = 42,434.70 : x
  2. Step 2: Convert to fraction form
    51,558.54/77,268.69 = 42,434.70/x
  3. Step 3: Cross multiply
    51,558.54x = 77,268.69 × 42,434.70
  4. Step 4: Simplify right side
    51,558.54x = 3,278,873,679.54
  5. Step 5: Solve for x
    x = 3,278,873,679.54/51,558.54
  6. Step 6: Final answer
    x = 63,595.16

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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.