Home / 65,948.13-98,934.35-21,577.37

Finding the Fourth Proportional to 65,948.13, 98,934.35 and 21,577.37

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Solution

The fourth proportional to 65,948.13, 98,934.35 and 21,577.37 is: 32,370.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,948.13 : 98,934.35 = 21,577.37 : x
  2. Step 2: Convert to fraction form
    65,948.13/98,934.35 = 21,577.37/x
  3. Step 3: Cross multiply
    65,948.13x = 98,934.35 × 21,577.37
  4. Step 4: Simplify right side
    65,948.13x = 2,134,742,473.10
  5. Step 5: Solve for x
    x = 2,134,742,473.10/65,948.13
  6. Step 6: Final answer
    x = 32,370.02

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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.