Home / 75,507.49-113,258.61-19,348.06

Finding the Fourth Proportional to 75,507.49, 113,258.61 and 19,348.06

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Solution

The fourth proportional to 75,507.49, 113,258.61 and 19,348.06 is: 29,021.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,507.49 : 113,258.61 = 19,348.06 : x
  2. Step 2: Convert to fraction form
    75,507.49/113,258.61 = 19,348.06/x
  3. Step 3: Cross multiply
    75,507.49x = 113,258.61 × 19,348.06
  4. Step 4: Simplify right side
    75,507.49x = 2,191,334,381.80
  5. Step 5: Solve for x
    x = 2,191,334,381.80/75,507.49
  6. Step 6: Final answer
    x = 29,021.42

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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.