Home / 34,353.60-47,412.36-20,207.76

Finding the Fourth Proportional to 34,353.60, 47,412.36 and 20,207.76

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Solution

The fourth proportional to 34,353.60, 47,412.36 and 20,207.76 is: 27,889.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,353.60 : 47,412.36 = 20,207.76 : x
  2. Step 2: Convert to fraction form
    34,353.60/47,412.36 = 20,207.76/x
  3. Step 3: Cross multiply
    34,353.60x = 47,412.36 × 20,207.76
  4. Step 4: Simplify right side
    34,353.60x = 958,097,591.91
  5. Step 5: Solve for x
    x = 958,097,591.91/34,353.60
  6. Step 6: Final answer
    x = 27,889.29

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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.