Home / 74,630.10-111,944.89-30,256.75

Finding the Fourth Proportional to 74,630.10, 111,944.89 and 30,256.75

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Solution

The fourth proportional to 74,630.10, 111,944.89 and 30,256.75 is: 45,385.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,630.10 : 111,944.89 = 30,256.75 : x
  2. Step 2: Convert to fraction form
    74,630.10/111,944.89 = 30,256.75/x
  3. Step 3: Cross multiply
    74,630.10x = 111,944.89 × 30,256.75
  4. Step 4: Simplify right side
    74,630.10x = 3,387,088,550.51
  5. Step 5: Solve for x
    x = 3,387,088,550.51/74,630.10
  6. Step 6: Final answer
    x = 45,385.02

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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.