Home / 51,027.03-70,418.75-30,887.55

Finding the Fourth Proportional to 51,027.03, 70,418.75 and 30,887.55

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Solution

The fourth proportional to 51,027.03, 70,418.75 and 30,887.55 is: 42,625.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,027.03 : 70,418.75 = 30,887.55 : x
  2. Step 2: Convert to fraction form
    51,027.03/70,418.75 = 30,887.55/x
  3. Step 3: Cross multiply
    51,027.03x = 70,418.75 × 30,887.55
  4. Step 4: Simplify right side
    51,027.03x = 2,175,062,507.12
  5. Step 5: Solve for x
    x = 2,175,062,507.12/51,027.03
  6. Step 6: Final answer
    x = 42,625.69

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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.