Home / 52,680.74-79,021.17-21,515.99

Finding the Fourth Proportional to 52,680.74, 79,021.17 and 21,515.99

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Solution

The fourth proportional to 52,680.74, 79,021.17 and 21,515.99 is: 32,274.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,680.74 : 79,021.17 = 21,515.99 : x
  2. Step 2: Convert to fraction form
    52,680.74/79,021.17 = 21,515.99/x
  3. Step 3: Cross multiply
    52,680.74x = 79,021.17 × 21,515.99
  4. Step 4: Simplify right side
    52,680.74x = 1,700,218,308.40
  5. Step 5: Solve for x
    x = 1,700,218,308.40/52,680.74
  6. Step 6: Final answer
    x = 32,274.01

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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.