Home / 38,247.12-52,775.82-21,250.08

Finding the Fourth Proportional to 38,247.12, 52,775.82 and 21,250.08

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Solution

The fourth proportional to 38,247.12, 52,775.82 and 21,250.08 is: 29,322.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,247.12 : 52,775.82 = 21,250.08 : x
  2. Step 2: Convert to fraction form
    38,247.12/52,775.82 = 21,250.08/x
  3. Step 3: Cross multiply
    38,247.12x = 52,775.82 × 21,250.08
  4. Step 4: Simplify right side
    38,247.12x = 1,121,490,397.07
  5. Step 5: Solve for x
    x = 1,121,490,397.07/38,247.12
  6. Step 6: Final answer
    x = 29,322.22

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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.