Home / 34,157.28-47,138.48-20,008.16

Finding the Fourth Proportional to 34,157.28, 47,138.48 and 20,008.16

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Solution

The fourth proportional to 34,157.28, 47,138.48 and 20,008.16 is: 27,612.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,157.28 : 47,138.48 = 20,008.16 : x
  2. Step 2: Convert to fraction form
    34,157.28/47,138.48 = 20,008.16/x
  3. Step 3: Cross multiply
    34,157.28x = 47,138.48 × 20,008.16
  4. Step 4: Simplify right side
    34,157.28x = 943,154,250.00
  5. Step 5: Solve for x
    x = 943,154,250.00/34,157.28
  6. Step 6: Final answer
    x = 27,612.10

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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.