Home / 29,809.70-41,177.21-20,886.74

Finding the Fourth Proportional to 29,809.70, 41,177.21 and 20,886.74

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Solution

The fourth proportional to 29,809.70, 41,177.21 and 20,886.74 is: 28,851.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,809.70 : 41,177.21 = 20,886.74 : x
  2. Step 2: Convert to fraction form
    29,809.70/41,177.21 = 20,886.74/x
  3. Step 3: Cross multiply
    29,809.70x = 41,177.21 × 20,886.74
  4. Step 4: Simplify right side
    29,809.70x = 860,057,368.88
  5. Step 5: Solve for x
    x = 860,057,368.88/29,809.70
  6. Step 6: Final answer
    x = 28,851.60

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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.