Home / 34,263.78-47,288.37-19,157.34

Finding the Fourth Proportional to 34,263.78, 47,288.37 and 19,157.34

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Solution

The fourth proportional to 34,263.78, 47,288.37 and 19,157.34 is: 26,439.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,263.78 : 47,288.37 = 19,157.34 : x
  2. Step 2: Convert to fraction form
    34,263.78/47,288.37 = 19,157.34/x
  3. Step 3: Cross multiply
    34,263.78x = 47,288.37 × 19,157.34
  4. Step 4: Simplify right side
    34,263.78x = 905,919,070.67
  5. Step 5: Solve for x
    x = 905,919,070.67/34,263.78
  6. Step 6: Final answer
    x = 26,439.55

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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.