Home / 39,969.28-55,158.06-22,065.04

Finding the Fourth Proportional to 39,969.28, 55,158.06 and 22,065.04

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Solution

The fourth proportional to 39,969.28, 55,158.06 and 22,065.04 is: 30,450.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,969.28 : 55,158.06 = 22,065.04 : x
  2. Step 2: Convert to fraction form
    39,969.28/55,158.06 = 22,065.04/x
  3. Step 3: Cross multiply
    39,969.28x = 55,158.06 × 22,065.04
  4. Step 4: Simplify right side
    39,969.28x = 1,217,064,800.22
  5. Step 5: Solve for x
    x = 1,217,064,800.22/39,969.28
  6. Step 6: Final answer
    x = 30,450.01

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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.