Home / 60,890.05-91,344.12-21,440.17

Finding the Fourth Proportional to 60,890.05, 91,344.12 and 21,440.17

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Solution

The fourth proportional to 60,890.05, 91,344.12 and 21,440.17 is: 32,163.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,890.05 : 91,344.12 = 21,440.17 : x
  2. Step 2: Convert to fraction form
    60,890.05/91,344.12 = 21,440.17/x
  3. Step 3: Cross multiply
    60,890.05x = 91,344.12 × 21,440.17
  4. Step 4: Simplify right side
    60,890.05x = 1,958,433,461.30
  5. Step 5: Solve for x
    x = 1,958,433,461.30/60,890.05
  6. Step 6: Final answer
    x = 32,163.44

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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.