Home / 20,671.08-30,846.93-18,456.04

Finding the Fourth Proportional to 20,671.08, 30,846.93 and 18,456.04

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Solution

The fourth proportional to 20,671.08, 30,846.93 and 18,456.04 is: 27,541.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,671.08 : 30,846.93 = 18,456.04 : x
  2. Step 2: Convert to fraction form
    20,671.08/30,846.93 = 18,456.04/x
  3. Step 3: Cross multiply
    20,671.08x = 30,846.93 × 18,456.04
  4. Step 4: Simplify right side
    20,671.08x = 569,312,173.96
  5. Step 5: Solve for x
    x = 569,312,173.96/20,671.08
  6. Step 6: Final answer
    x = 27,541.48

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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.