Home / 38,347.09-52,915.21-22,428.43

Finding the Fourth Proportional to 38,347.09, 52,915.21 and 22,428.43

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Solution

The fourth proportional to 38,347.09, 52,915.21 and 22,428.43 is: 30,949.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,347.09 : 52,915.21 = 22,428.43 : x
  2. Step 2: Convert to fraction form
    38,347.09/52,915.21 = 22,428.43/x
  3. Step 3: Cross multiply
    38,347.09x = 52,915.21 × 22,428.43
  4. Step 4: Simplify right side
    38,347.09x = 1,186,805,083.42
  5. Step 5: Solve for x
    x = 1,186,805,083.42/38,347.09
  6. Step 6: Final answer
    x = 30,949.03

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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.