Home / 39,113.71-53,979.99-33,030.43

Finding the Fourth Proportional to 39,113.71, 53,979.99 and 33,030.43

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Solution

The fourth proportional to 39,113.71, 53,979.99 and 33,030.43 is: 45,584.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,113.71 : 53,979.99 = 33,030.43 : x
  2. Step 2: Convert to fraction form
    39,113.71/53,979.99 = 33,030.43/x
  3. Step 3: Cross multiply
    39,113.71x = 53,979.99 × 33,030.43
  4. Step 4: Simplify right side
    39,113.71x = 1,782,982,281.10
  5. Step 5: Solve for x
    x = 1,782,982,281.10/39,113.71
  6. Step 6: Final answer
    x = 45,584.59

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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.