Home / 65,619.97-98,445.63-21,246.77

Finding the Fourth Proportional to 65,619.97, 98,445.63 and 21,246.77

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Solution

The fourth proportional to 65,619.97, 98,445.63 and 21,246.77 is: 31,875.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,619.97 : 98,445.63 = 21,246.77 : x
  2. Step 2: Convert to fraction form
    65,619.97/98,445.63 = 21,246.77/x
  3. Step 3: Cross multiply
    65,619.97x = 98,445.63 × 21,246.77
  4. Step 4: Simplify right side
    65,619.97x = 2,091,651,904.23
  5. Step 5: Solve for x
    x = 2,091,651,904.23/65,619.97
  6. Step 6: Final answer
    x = 31,875.24

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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.