Home / 39,931.10-55,104.70-22,026.08

Finding the Fourth Proportional to 39,931.10, 55,104.70 and 22,026.08

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Solution

The fourth proportional to 39,931.10, 55,104.70 and 22,026.08 is: 30,395.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,931.10 : 55,104.70 = 22,026.08 : x
  2. Step 2: Convert to fraction form
    39,931.10/55,104.70 = 22,026.08/x
  3. Step 3: Cross multiply
    39,931.10x = 55,104.70 × 22,026.08
  4. Step 4: Simplify right side
    39,931.10x = 1,213,740,530.58
  5. Step 5: Solve for x
    x = 1,213,740,530.58/39,931.10
  6. Step 6: Final answer
    x = 30,395.87

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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.