Home / 34,110.32-51,165.56-13,319.24

Finding the Fourth Proportional to 34,110.32, 51,165.56 and 13,319.24

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Solution

The fourth proportional to 34,110.32, 51,165.56 and 13,319.24 is: 19,978.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,110.32 : 51,165.56 = 13,319.24 : x
  2. Step 2: Convert to fraction form
    34,110.32/51,165.56 = 13,319.24/x
  3. Step 3: Cross multiply
    34,110.32x = 51,165.56 × 13,319.24
  4. Step 4: Simplify right side
    34,110.32x = 681,486,373.37
  5. Step 5: Solve for x
    x = 681,486,373.37/34,110.32
  6. Step 6: Final answer
    x = 19,978.89

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1.5x scale

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.