Home / 38,172.34-52,677.96-21,176.92

Finding the Fourth Proportional to 38,172.34, 52,677.96 and 21,176.92

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Solution

The fourth proportional to 38,172.34, 52,677.96 and 21,176.92 is: 29,224.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,172.34 : 52,677.96 = 21,176.92 : x
  2. Step 2: Convert to fraction form
    38,172.34/52,677.96 = 21,176.92/x
  3. Step 3: Cross multiply
    38,172.34x = 52,677.96 × 21,176.92
  4. Step 4: Simplify right side
    38,172.34x = 1,115,556,575.41
  5. Step 5: Solve for x
    x = 1,115,556,575.41/38,172.34
  6. Step 6: Final answer
    x = 29,224.22

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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.