Home / 38,401.64-52,996.26-21,636.20

Finding the Fourth Proportional to 38,401.64, 52,996.26 and 21,636.20

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Solution

The fourth proportional to 38,401.64, 52,996.26 and 21,636.20 is: 29,859.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,401.64 : 52,996.26 = 21,636.20 : x
  2. Step 2: Convert to fraction form
    38,401.64/52,996.26 = 21,636.20/x
  3. Step 3: Cross multiply
    38,401.64x = 52,996.26 × 21,636.20
  4. Step 4: Simplify right side
    38,401.64x = 1,146,637,680.61
  5. Step 5: Solve for x
    x = 1,146,637,680.61/38,401.64
  6. Step 6: Final answer
    x = 29,859.08

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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.