Home / 65,388.75-98,084.04-18,641.63

Finding the Fourth Proportional to 65,388.75, 98,084.04 and 18,641.63

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Solution

The fourth proportional to 65,388.75, 98,084.04 and 18,641.63 is: 27,962.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,388.75 : 98,084.04 = 18,641.63 : x
  2. Step 2: Convert to fraction form
    65,388.75/98,084.04 = 18,641.63/x
  3. Step 3: Cross multiply
    65,388.75x = 98,084.04 × 18,641.63
  4. Step 4: Simplify right side
    65,388.75x = 1,828,445,892.17
  5. Step 5: Solve for x
    x = 1,828,445,892.17/65,388.75
  6. Step 6: Final answer
    x = 27,962.70

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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.