Home / 39,942.12-55,117.26-22,037.16

Finding the Fourth Proportional to 39,942.12, 55,117.26 and 22,037.16

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Solution

The fourth proportional to 39,942.12, 55,117.26 and 22,037.16 is: 30,409.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,942.12 : 55,117.26 = 22,037.16 : x
  2. Step 2: Convert to fraction form
    39,942.12/55,117.26 = 22,037.16/x
  3. Step 3: Cross multiply
    39,942.12x = 55,117.26 × 22,037.16
  4. Step 4: Simplify right side
    39,942.12x = 1,214,627,877.38
  5. Step 5: Solve for x
    x = 1,214,627,877.38/39,942.12
  6. Step 6: Final answer
    x = 30,409.70

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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.