Home / 30,101.66-45,107.13-26,820.62

Finding the Fourth Proportional to 30,101.66, 45,107.13 and 26,820.62

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Solution

The fourth proportional to 30,101.66, 45,107.13 and 26,820.62 is: 40,190.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,101.66 : 45,107.13 = 26,820.62 : x
  2. Step 2: Convert to fraction form
    30,101.66/45,107.13 = 26,820.62/x
  3. Step 3: Cross multiply
    30,101.66x = 45,107.13 × 26,820.62
  4. Step 4: Simplify right side
    30,101.66x = 1,209,801,193.02
  5. Step 5: Solve for x
    x = 1,209,801,193.02/30,101.66
  6. Step 6: Final answer
    x = 40,190.51

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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.