Home / 38,161.61-52,665.69-21,167.47

Finding the Fourth Proportional to 38,161.61, 52,665.69 and 21,167.47

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Solution

The fourth proportional to 38,161.61, 52,665.69 and 21,167.47 is: 29,212.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,161.61 : 52,665.69 = 21,167.47 : x
  2. Step 2: Convert to fraction form
    38,161.61/52,665.69 = 21,167.47/x
  3. Step 3: Cross multiply
    38,161.61x = 52,665.69 × 21,167.47
  4. Step 4: Simplify right side
    38,161.61x = 1,114,799,558.31
  5. Step 5: Solve for x
    x = 1,114,799,558.31/38,161.61
  6. Step 6: Final answer
    x = 29,212.59

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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.