Home / 39,970.00-55,158.68-22,065.03

Finding the Fourth Proportional to 39,970.00, 55,158.68 and 22,065.03

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Solution

The fourth proportional to 39,970.00, 55,158.68 and 22,065.03 is: 30,449.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,970.00 : 55,158.68 = 22,065.03 : x
  2. Step 2: Convert to fraction form
    39,970.00/55,158.68 = 22,065.03/x
  3. Step 3: Cross multiply
    39,970.00x = 55,158.68 × 22,065.03
  4. Step 4: Simplify right side
    39,970.00x = 1,217,077,542.84
  5. Step 5: Solve for x
    x = 1,217,077,542.84/39,970.00
  6. Step 6: Final answer
    x = 30,449.78

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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.