Home / 39,009.92-53,833.67-21,104.93

Finding the Fourth Proportional to 39,009.92, 53,833.67 and 21,104.93

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Solution

The fourth proportional to 39,009.92, 53,833.67 and 21,104.93 is: 29,124.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,009.92 : 53,833.67 = 21,104.93 : x
  2. Step 2: Convert to fraction form
    39,009.92/53,833.67 = 21,104.93/x
  3. Step 3: Cross multiply
    39,009.92x = 53,833.67 × 21,104.93
  4. Step 4: Simplify right side
    39,009.92x = 1,136,155,731.47
  5. Step 5: Solve for x
    x = 1,136,155,731.47/39,009.92
  6. Step 6: Final answer
    x = 29,124.79

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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.