Home / 20,062.72-29,930.74-19,547.20

Finding the Fourth Proportional to 20,062.72, 29,930.74 and 19,547.20

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Solution

The fourth proportional to 20,062.72, 29,930.74 and 19,547.20 is: 29,161.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,062.72 : 29,930.74 = 19,547.20 : x
  2. Step 2: Convert to fraction form
    20,062.72/29,930.74 = 19,547.20/x
  3. Step 3: Cross multiply
    20,062.72x = 29,930.74 × 19,547.20
  4. Step 4: Simplify right side
    20,062.72x = 585,062,160.93
  5. Step 5: Solve for x
    x = 585,062,160.93/20,062.72
  6. Step 6: Final answer
    x = 29,161.66

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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.