Home / 74,654.40-111,981.60-24,742.20

Finding the Fourth Proportional to 74,654.40, 111,981.60 and 24,742.20

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Solution

The fourth proportional to 74,654.40, 111,981.60 and 24,742.20 is: 37,113.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,654.40 : 111,981.60 = 24,742.20 : x
  2. Step 2: Convert to fraction form
    74,654.40/111,981.60 = 24,742.20/x
  3. Step 3: Cross multiply
    74,654.40x = 111,981.60 × 24,742.20
  4. Step 4: Simplify right side
    74,654.40x = 2,770,671,143.52
  5. Step 5: Solve for x
    x = 2,770,671,143.52/74,654.40
  6. Step 6: Final answer
    x = 37,113.30

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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.