Home / 39,910.16-55,063.68-23,139.92

Finding the Fourth Proportional to 39,910.16, 55,063.68 and 23,139.92

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Solution

The fourth proportional to 39,910.16, 55,063.68 and 23,139.92 is: 31,925.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,910.16 : 55,063.68 = 23,139.92 : x
  2. Step 2: Convert to fraction form
    39,910.16/55,063.68 = 23,139.92/x
  3. Step 3: Cross multiply
    39,910.16x = 55,063.68 × 23,139.92
  4. Step 4: Simplify right side
    39,910.16x = 1,274,169,150.11
  5. Step 5: Solve for x
    x = 1,274,169,150.11/39,910.16
  6. Step 6: Final answer
    x = 31,925.93

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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.