Home / 39,971.04-59,939.15-21,246.59

Finding the Fourth Proportional to 39,971.04, 59,939.15 and 21,246.59

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Solution

The fourth proportional to 39,971.04, 59,939.15 and 21,246.59 is: 31,860.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,971.04 : 59,939.15 = 21,246.59 : x
  2. Step 2: Convert to fraction form
    39,971.04/59,939.15 = 21,246.59/x
  3. Step 3: Cross multiply
    39,971.04x = 59,939.15 × 21,246.59
  4. Step 4: Simplify right side
    39,971.04x = 1,273,502,139.07
  5. Step 5: Solve for x
    x = 1,273,502,139.07/39,971.04
  6. Step 6: Final answer
    x = 31,860.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.