Home / 21,775.92-30,050.19-12,344.46

Finding the Fourth Proportional to 21,775.92, 30,050.19 and 12,344.46

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Solution

The fourth proportional to 21,775.92, 30,050.19 and 12,344.46 is: 17,035.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,775.92 : 30,050.19 = 12,344.46 : x
  2. Step 2: Convert to fraction form
    21,775.92/30,050.19 = 12,344.46/x
  3. Step 3: Cross multiply
    21,775.92x = 30,050.19 × 12,344.46
  4. Step 4: Simplify right side
    21,775.92x = 370,953,368.45
  5. Step 5: Solve for x
    x = 370,953,368.45/21,775.92
  6. Step 6: Final answer
    x = 17,035.03

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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.