Home / 56,379.25-77,805.93-31,228.75

Finding the Fourth Proportional to 56,379.25, 77,805.93 and 31,228.75

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Solution

The fourth proportional to 56,379.25, 77,805.93 and 31,228.75 is: 43,097.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,379.25 : 77,805.93 = 31,228.75 : x
  2. Step 2: Convert to fraction form
    56,379.25/77,805.93 = 31,228.75/x
  3. Step 3: Cross multiply
    56,379.25x = 77,805.93 × 31,228.75
  4. Step 4: Simplify right side
    56,379.25x = 2,429,781,936.49
  5. Step 5: Solve for x
    x = 2,429,781,936.49/56,379.25
  6. Step 6: Final answer
    x = 43,097.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.