Home / 65,213.52-97,869.36-30,177.84

Finding the Fourth Proportional to 65,213.52, 97,869.36 and 30,177.84

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Solution

The fourth proportional to 65,213.52, 97,869.36 and 30,177.84 is: 45,289.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,213.52 : 97,869.36 = 30,177.84 : x
  2. Step 2: Convert to fraction form
    65,213.52/97,869.36 = 30,177.84/x
  3. Step 3: Cross multiply
    65,213.52x = 97,869.36 × 30,177.84
  4. Step 4: Simplify right side
    65,213.52x = 2,953,485,886.98
  5. Step 5: Solve for x
    x = 2,953,485,886.98/65,213.52
  6. Step 6: Final answer
    x = 45,289.47

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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.