Home / 34,157.60-47,138.66-19,816.35

Finding the Fourth Proportional to 34,157.60, 47,138.66 and 19,816.35

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Solution

The fourth proportional to 34,157.60, 47,138.66 and 19,816.35 is: 27,347.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,157.60 : 47,138.66 = 19,816.35 : x
  2. Step 2: Convert to fraction form
    34,157.60/47,138.66 = 19,816.35/x
  3. Step 3: Cross multiply
    34,157.60x = 47,138.66 × 19,816.35
  4. Step 4: Simplify right side
    34,157.60x = 934,115,983.55
  5. Step 5: Solve for x
    x = 934,115,983.55/34,157.60
  6. Step 6: Final answer
    x = 27,347.24

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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.