Home / 43,348.64-65,041.74-15,288.75

Finding the Fourth Proportional to 43,348.64, 65,041.74 and 15,288.75

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Solution

The fourth proportional to 43,348.64, 65,041.74 and 15,288.75 is: 22,939.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,348.64 : 65,041.74 = 15,288.75 : x
  2. Step 2: Convert to fraction form
    43,348.64/65,041.74 = 15,288.75/x
  3. Step 3: Cross multiply
    43,348.64x = 65,041.74 × 15,288.75
  4. Step 4: Simplify right side
    43,348.64x = 994,406,902.43
  5. Step 5: Solve for x
    x = 994,406,902.43/43,348.64
  6. Step 6: Final answer
    x = 22,939.75

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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.