Home / 65,089.10-89,821.78-36,794.18

Finding the Fourth Proportional to 65,089.10, 89,821.78 and 36,794.18

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Solution

The fourth proportional to 65,089.10, 89,821.78 and 36,794.18 is: 50,775.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,089.10 : 89,821.78 = 36,794.18 : x
  2. Step 2: Convert to fraction form
    65,089.10/89,821.78 = 36,794.18/x
  3. Step 3: Cross multiply
    65,089.10x = 89,821.78 × 36,794.18
  4. Step 4: Simplify right side
    65,089.10x = 3,304,918,741.24
  5. Step 5: Solve for x
    x = 3,304,918,741.24/65,089.10
  6. Step 6: Final answer
    x = 50,775.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.