Home / 65,519.79-98,279.42-18,772.67

Finding the Fourth Proportional to 65,519.79, 98,279.42 and 18,772.67

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Solution

The fourth proportional to 65,519.79, 98,279.42 and 18,772.67 is: 28,158.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,519.79 : 98,279.42 = 18,772.67 : x
  2. Step 2: Convert to fraction form
    65,519.79/98,279.42 = 18,772.67/x
  3. Step 3: Cross multiply
    65,519.79x = 98,279.42 × 18,772.67
  4. Step 4: Simplify right side
    65,519.79x = 1,844,966,534.19
  5. Step 5: Solve for x
    x = 1,844,966,534.19/65,519.79
  6. Step 6: Final answer
    x = 28,158.92

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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.