Home / 76,021.68-114,012.56-22,701.12

Finding the Fourth Proportional to 76,021.68, 114,012.56 and 22,701.12

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Solution

The fourth proportional to 76,021.68, 114,012.56 and 22,701.12 is: 34,045.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,021.68 : 114,012.56 = 22,701.12 : x
  2. Step 2: Convert to fraction form
    76,021.68/114,012.56 = 22,701.12/x
  3. Step 3: Cross multiply
    76,021.68x = 114,012.56 × 22,701.12
  4. Step 4: Simplify right side
    76,021.68x = 2,588,212,806.07
  5. Step 5: Solve for x
    x = 2,588,212,806.07/76,021.68
  6. Step 6: Final answer
    x = 34,045.72

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1.5x scale

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.