Home / 74,646.20-111,971.70-27,903.80

Finding the Fourth Proportional to 74,646.20, 111,971.70 and 27,903.80

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Solution

The fourth proportional to 74,646.20, 111,971.70 and 27,903.80 is: 41,856.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,646.20 : 111,971.70 = 27,903.80 : x
  2. Step 2: Convert to fraction form
    74,646.20/111,971.70 = 27,903.80/x
  3. Step 3: Cross multiply
    74,646.20x = 111,971.70 × 27,903.80
  4. Step 4: Simplify right side
    74,646.20x = 3,124,435,922.46
  5. Step 5: Solve for x
    x = 3,124,435,922.46/74,646.20
  6. Step 6: Final answer
    x = 41,856.60

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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.