Home / 38,199.72-52,713.12-21,203.16

Finding the Fourth Proportional to 38,199.72, 52,713.12 and 21,203.16

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Solution

The fourth proportional to 38,199.72, 52,713.12 and 21,203.16 is: 29,258.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,199.72 : 52,713.12 = 21,203.16 : x
  2. Step 2: Convert to fraction form
    38,199.72/52,713.12 = 21,203.16/x
  3. Step 3: Cross multiply
    38,199.72x = 52,713.12 × 21,203.16
  4. Step 4: Simplify right side
    38,199.72x = 1,117,684,717.46
  5. Step 5: Solve for x
    x = 1,117,684,717.46/38,199.72
  6. Step 6: Final answer
    x = 29,258.98

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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.