Home / 39,913.42-55,080.91-22,009.08

Finding the Fourth Proportional to 39,913.42, 55,080.91 and 22,009.08

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Solution

The fourth proportional to 39,913.42, 55,080.91 and 22,009.08 is: 30,372.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,913.42 : 55,080.91 = 22,009.08 : x
  2. Step 2: Convert to fraction form
    39,913.42/55,080.91 = 22,009.08/x
  3. Step 3: Cross multiply
    39,913.42x = 55,080.91 × 22,009.08
  4. Step 4: Simplify right side
    39,913.42x = 1,212,280,154.66
  5. Step 5: Solve for x
    x = 1,212,280,154.66/39,913.42
  6. Step 6: Final answer
    x = 30,372.75

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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.