Home / 65,612.56-98,434.48-21,239.32

Finding the Fourth Proportional to 65,612.56, 98,434.48 and 21,239.32

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Solution

The fourth proportional to 65,612.56, 98,434.48 and 21,239.32 is: 31,864.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,612.56 : 98,434.48 = 21,239.32 : x
  2. Step 2: Convert to fraction form
    65,612.56/98,434.48 = 21,239.32/x
  3. Step 3: Cross multiply
    65,612.56x = 98,434.48 × 21,239.32
  4. Step 4: Simplify right side
    65,612.56x = 2,090,681,419.75
  5. Step 5: Solve for x
    x = 2,090,681,419.75/65,612.56
  6. Step 6: Final answer
    x = 31,864.04

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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.