Home / 65,213.16-97,818.66-20,839.62

Finding the Fourth Proportional to 65,213.16, 97,818.66 and 20,839.62

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Solution

The fourth proportional to 65,213.16, 97,818.66 and 20,839.62 is: 31,259.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,213.16 : 97,818.66 = 20,839.62 : x
  2. Step 2: Convert to fraction form
    65,213.16/97,818.66 = 20,839.62/x
  3. Step 3: Cross multiply
    65,213.16x = 97,818.66 × 20,839.62
  4. Step 4: Simplify right side
    65,213.16x = 2,038,503,703.31
  5. Step 5: Solve for x
    x = 2,038,503,703.31/65,213.16
  6. Step 6: Final answer
    x = 31,259.08

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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.