Home / 20,044.72-30,038.32-11,261.16

Finding the Fourth Proportional to 20,044.72, 30,038.32 and 11,261.16

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Solution

The fourth proportional to 20,044.72, 30,038.32 and 11,261.16 is: 16,875.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,044.72 : 30,038.32 = 11,261.16 : x
  2. Step 2: Convert to fraction form
    20,044.72/30,038.32 = 11,261.16/x
  3. Step 3: Cross multiply
    20,044.72x = 30,038.32 × 11,261.16
  4. Step 4: Simplify right side
    20,044.72x = 338,266,327.65
  5. Step 5: Solve for x
    x = 338,266,327.65/20,044.72
  6. Step 6: Final answer
    x = 16,875.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.