Home / 39,064.18-53,904.71-21,833.36

Finding the Fourth Proportional to 39,064.18, 53,904.71 and 21,833.36

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Solution

The fourth proportional to 39,064.18, 53,904.71 and 21,833.36 is: 30,127.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,064.18 : 53,904.71 = 21,833.36 : x
  2. Step 2: Convert to fraction form
    39,064.18/53,904.71 = 21,833.36/x
  3. Step 3: Cross multiply
    39,064.18x = 53,904.71 × 21,833.36
  4. Step 4: Simplify right side
    39,064.18x = 1,176,921,128.47
  5. Step 5: Solve for x
    x = 1,176,921,128.47/39,064.18
  6. Step 6: Final answer
    x = 30,127.89

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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.