Home / 22,917.90-34,220.06-20,530.57

Finding the Fourth Proportional to 22,917.90, 34,220.06 and 20,530.57

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Solution

The fourth proportional to 22,917.90, 34,220.06 and 20,530.57 is: 30,655.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,917.90 : 34,220.06 = 20,530.57 : x
  2. Step 2: Convert to fraction form
    22,917.90/34,220.06 = 20,530.57/x
  3. Step 3: Cross multiply
    22,917.90x = 34,220.06 × 20,530.57
  4. Step 4: Simplify right side
    22,917.90x = 702,557,303.01
  5. Step 5: Solve for x
    x = 702,557,303.01/22,917.90
  6. Step 6: Final answer
    x = 30,655.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.