Home / 65,319.80-97,979.06-18,566.52

Finding the Fourth Proportional to 65,319.80, 97,979.06 and 18,566.52

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Solution

The fourth proportional to 65,319.80, 97,979.06 and 18,566.52 is: 27,849.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,319.80 : 97,979.06 = 18,566.52 : x
  2. Step 2: Convert to fraction form
    65,319.80/97,979.06 = 18,566.52/x
  3. Step 3: Cross multiply
    65,319.80x = 97,979.06 × 18,566.52
  4. Step 4: Simplify right side
    65,319.80x = 1,819,130,177.07
  5. Step 5: Solve for x
    x = 1,819,130,177.07/65,319.80
  6. Step 6: Final answer
    x = 27,849.60

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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.