Home / 38,398.03-52,982.85-21,398.54

Finding the Fourth Proportional to 38,398.03, 52,982.85 and 21,398.54

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Solution

The fourth proportional to 38,398.03, 52,982.85 and 21,398.54 is: 29,526.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,398.03 : 52,982.85 = 21,398.54 : x
  2. Step 2: Convert to fraction form
    38,398.03/52,982.85 = 21,398.54/x
  3. Step 3: Cross multiply
    38,398.03x = 52,982.85 × 21,398.54
  4. Step 4: Simplify right side
    38,398.03x = 1,133,755,767.50
  5. Step 5: Solve for x
    x = 1,133,755,767.50/38,398.03
  6. Step 6: Final answer
    x = 29,526.41

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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.