Home / 39,993.06-55,190.08-22,089.28

Finding the Fourth Proportional to 39,993.06, 55,190.08 and 22,089.28

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Solution

The fourth proportional to 39,993.06, 55,190.08 and 22,089.28 is: 30,483.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,993.06 : 55,190.08 = 22,089.28 : x
  2. Step 2: Convert to fraction form
    39,993.06/55,190.08 = 22,089.28/x
  3. Step 3: Cross multiply
    39,993.06x = 55,190.08 × 22,089.28
  4. Step 4: Simplify right side
    39,993.06x = 1,219,109,130.34
  5. Step 5: Solve for x
    x = 1,219,109,130.34/39,993.06
  6. Step 6: Final answer
    x = 30,483.02

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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.