Home / 39,065.46-53,910.03-21,160.26

Finding the Fourth Proportional to 39,065.46, 53,910.03 and 21,160.26

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Solution

The fourth proportional to 39,065.46, 53,910.03 and 21,160.26 is: 29,200.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,065.46 : 53,910.03 = 21,160.26 : x
  2. Step 2: Convert to fraction form
    39,065.46/53,910.03 = 21,160.26/x
  3. Step 3: Cross multiply
    39,065.46x = 53,910.03 × 21,160.26
  4. Step 4: Simplify right side
    39,065.46x = 1,140,750,251.41
  5. Step 5: Solve for x
    x = 1,140,750,251.41/39,065.46
  6. Step 6: Final answer
    x = 29,200.99

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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.