Home / 60,638.14-90,970.17-21,196.54

Finding the Fourth Proportional to 60,638.14, 90,970.17 and 21,196.54

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Solution

The fourth proportional to 60,638.14, 90,970.17 and 21,196.54 is: 31,799.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,638.14 : 90,970.17 = 21,196.54 : x
  2. Step 2: Convert to fraction form
    60,638.14/90,970.17 = 21,196.54/x
  3. Step 3: Cross multiply
    60,638.14x = 90,970.17 × 21,196.54
  4. Step 4: Simplify right side
    60,638.14x = 1,928,252,847.21
  5. Step 5: Solve for x
    x = 1,928,252,847.21/60,638.14
  6. Step 6: Final answer
    x = 31,799.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.