Home / 38,271.08-52,813.06-21,505.16

Finding the Fourth Proportional to 38,271.08, 52,813.06 and 21,505.16

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Solution

The fourth proportional to 38,271.08, 52,813.06 and 21,505.16 is: 29,676.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,271.08 : 52,813.06 = 21,505.16 : x
  2. Step 2: Convert to fraction form
    38,271.08/52,813.06 = 21,505.16/x
  3. Step 3: Cross multiply
    38,271.08x = 52,813.06 × 21,505.16
  4. Step 4: Simplify right side
    38,271.08x = 1,135,753,305.39
  5. Step 5: Solve for x
    x = 1,135,753,305.39/38,271.08
  6. Step 6: Final answer
    x = 29,676.54

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1.5x scale

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.