Home / 38,267.12-52,810.92-21,500.08

Finding the Fourth Proportional to 38,267.12, 52,810.92 and 21,500.08

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Solution

The fourth proportional to 38,267.12, 52,810.92 and 21,500.08 is: 29,671.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,267.12 : 52,810.92 = 21,500.08 : x
  2. Step 2: Convert to fraction form
    38,267.12/52,810.92 = 21,500.08/x
  3. Step 3: Cross multiply
    38,267.12x = 52,810.92 × 21,500.08
  4. Step 4: Simplify right side
    38,267.12x = 1,135,439,004.87
  5. Step 5: Solve for x
    x = 1,135,439,004.87/38,267.12
  6. Step 6: Final answer
    x = 29,671.40

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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.