Home / 56,763.28-78,333.33-31,612.78

Finding the Fourth Proportional to 56,763.28, 78,333.33 and 31,612.78

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Solution

The fourth proportional to 56,763.28, 78,333.33 and 31,612.78 is: 43,625.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,763.28 : 78,333.33 = 31,612.78 : x
  2. Step 2: Convert to fraction form
    56,763.28/78,333.33 = 31,612.78/x
  3. Step 3: Cross multiply
    56,763.28x = 78,333.33 × 31,612.78
  4. Step 4: Simplify right side
    56,763.28x = 2,476,334,366.60
  5. Step 5: Solve for x
    x = 2,476,334,366.60/56,763.28
  6. Step 6: Final answer
    x = 43,625.64

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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.