Home / 34,627.81-47,782.92-21,202.87

Finding the Fourth Proportional to 34,627.81, 47,782.92 and 21,202.87

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Solution

The fourth proportional to 34,627.81, 47,782.92 and 21,202.87 is: 29,257.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,627.81 : 47,782.92 = 21,202.87 : x
  2. Step 2: Convert to fraction form
    34,627.81/47,782.92 = 21,202.87/x
  3. Step 3: Cross multiply
    34,627.81x = 47,782.92 × 21,202.87
  4. Step 4: Simplify right side
    34,627.81x = 1,013,134,921.52
  5. Step 5: Solve for x
    x = 1,013,134,921.52/34,627.81
  6. Step 6: Final answer
    x = 29,257.84

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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.