Home / 74,253.79-111,378.85-21,663.73

Finding the Fourth Proportional to 74,253.79, 111,378.85 and 21,663.73

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Solution

The fourth proportional to 74,253.79, 111,378.85 and 21,663.73 is: 32,495.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,253.79 : 111,378.85 = 21,663.73 : x
  2. Step 2: Convert to fraction form
    74,253.79/111,378.85 = 21,663.73/x
  3. Step 3: Cross multiply
    74,253.79x = 111,378.85 × 21,663.73
  4. Step 4: Simplify right side
    74,253.79x = 2,412,881,419.17
  5. Step 5: Solve for x
    x = 2,412,881,419.17/74,253.79
  6. Step 6: Final answer
    x = 32,495.06

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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.