Home / 38,110.37-52,599.66-21,988.09

Finding the Fourth Proportional to 38,110.37, 52,599.66 and 21,988.09

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Solution

The fourth proportional to 38,110.37, 52,599.66 and 21,988.09 is: 30,347.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,110.37 : 52,599.66 = 21,988.09 : x
  2. Step 2: Convert to fraction form
    38,110.37/52,599.66 = 21,988.09/x
  3. Step 3: Cross multiply
    38,110.37x = 52,599.66 × 21,988.09
  4. Step 4: Simplify right side
    38,110.37x = 1,156,566,058.05
  5. Step 5: Solve for x
    x = 1,156,566,058.05/38,110.37
  6. Step 6: Final answer
    x = 30,347.80

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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.