Home / 65,310.08-97,950.40-18,561.92

Finding the Fourth Proportional to 65,310.08, 97,950.40 and 18,561.92

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Solution

The fourth proportional to 65,310.08, 97,950.40 and 18,561.92 is: 27,838.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,310.08 : 97,950.40 = 18,561.92 : x
  2. Step 2: Convert to fraction form
    65,310.08/97,950.40 = 18,561.92/x
  3. Step 3: Cross multiply
    65,310.08x = 97,950.40 × 18,561.92
  4. Step 4: Simplify right side
    65,310.08x = 1,818,147,488.77
  5. Step 5: Solve for x
    x = 1,818,147,488.77/65,310.08
  6. Step 6: Final answer
    x = 27,838.70

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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.