Home / 65,207.23-89,986.35-38,350.87

Finding the Fourth Proportional to 65,207.23, 89,986.35 and 38,350.87

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Solution

The fourth proportional to 65,207.23, 89,986.35 and 38,350.87 is: 52,924.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,207.23 : 89,986.35 = 38,350.87 : x
  2. Step 2: Convert to fraction form
    65,207.23/89,986.35 = 38,350.87/x
  3. Step 3: Cross multiply
    65,207.23x = 89,986.35 × 38,350.87
  4. Step 4: Simplify right side
    65,207.23x = 3,451,054,810.62
  5. Step 5: Solve for x
    x = 3,451,054,810.62/65,207.23
  6. Step 6: Final answer
    x = 52,924.42

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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.