Home / 39,908.68-55,071.44-22,002.68

Finding the Fourth Proportional to 39,908.68, 55,071.44 and 22,002.68

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Solution

The fourth proportional to 39,908.68, 55,071.44 and 22,002.68 is: 30,362.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,908.68 : 55,071.44 = 22,002.68 : x
  2. Step 2: Convert to fraction form
    39,908.68/55,071.44 = 22,002.68/x
  3. Step 3: Cross multiply
    39,908.68x = 55,071.44 × 22,002.68
  4. Step 4: Simplify right side
    39,908.68x = 1,211,719,271.46
  5. Step 5: Solve for x
    x = 1,211,719,271.46/39,908.68
  6. Step 6: Final answer
    x = 30,362.30

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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.