Home / 38,158.00-52,661.27-21,167.72

Finding the Fourth Proportional to 38,158.00, 52,661.27 and 21,167.72

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Solution

The fourth proportional to 38,158.00, 52,661.27 and 21,167.72 is: 29,213.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,158.00 : 52,661.27 = 21,167.72 : x
  2. Step 2: Convert to fraction form
    38,158.00/52,661.27 = 21,167.72/x
  3. Step 3: Cross multiply
    38,158.00x = 52,661.27 × 21,167.72
  4. Step 4: Simplify right side
    38,158.00x = 1,114,718,754.90
  5. Step 5: Solve for x
    x = 1,114,718,754.90/38,158.00
  6. Step 6: Final answer
    x = 29,213.24

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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.