Home / 56,763.25-78,335.72-31,612.75

Finding the Fourth Proportional to 56,763.25, 78,335.72 and 31,612.75

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Solution

The fourth proportional to 56,763.25, 78,335.72 and 31,612.75 is: 43,626.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,763.25 : 78,335.72 = 31,612.75 : x
  2. Step 2: Convert to fraction form
    56,763.25/78,335.72 = 31,612.75/x
  3. Step 3: Cross multiply
    56,763.25x = 78,335.72 × 31,612.75
  4. Step 4: Simplify right side
    56,763.25x = 2,476,407,374.37
  5. Step 5: Solve for x
    x = 2,476,407,374.37/56,763.25
  6. Step 6: Final answer
    x = 43,626.95

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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.