Home / 65,555.40-98,332.46-18,808.52

Finding the Fourth Proportional to 65,555.40, 98,332.46 and 18,808.52

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Solution

The fourth proportional to 65,555.40, 98,332.46 and 18,808.52 is: 28,212.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,555.40 : 98,332.46 = 18,808.52 : x
  2. Step 2: Convert to fraction form
    65,555.40/98,332.46 = 18,808.52/x
  3. Step 3: Cross multiply
    65,555.40x = 98,332.46 × 18,808.52
  4. Step 4: Simplify right side
    65,555.40x = 1,849,488,040.56
  5. Step 5: Solve for x
    x = 1,849,488,040.56/65,555.40
  6. Step 6: Final answer
    x = 28,212.60

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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.