Home / 39,888.92-55,044.24-21,982.93

Finding the Fourth Proportional to 39,888.92, 55,044.24 and 21,982.93

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Solution

The fourth proportional to 39,888.92, 55,044.24 and 21,982.93 is: 30,335.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,888.92 : 55,044.24 = 21,982.93 : x
  2. Step 2: Convert to fraction form
    39,888.92/55,044.24 = 21,982.93/x
  3. Step 3: Cross multiply
    39,888.92x = 55,044.24 × 21,982.93
  4. Step 4: Simplify right side
    39,888.92x = 1,210,033,674.82
  5. Step 5: Solve for x
    x = 1,210,033,674.82/39,888.92
  6. Step 6: Final answer
    x = 30,335.08

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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.