Home / 30,250.05-45,387.54-13,374.18

Finding the Fourth Proportional to 30,250.05, 45,387.54 and 13,374.18

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Solution

The fourth proportional to 30,250.05, 45,387.54 and 13,374.18 is: 20,066.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,250.05 : 45,387.54 = 13,374.18 : x
  2. Step 2: Convert to fraction form
    30,250.05/45,387.54 = 13,374.18/x
  3. Step 3: Cross multiply
    30,250.05x = 45,387.54 × 13,374.18
  4. Step 4: Simplify right side
    30,250.05x = 607,021,243.19
  5. Step 5: Solve for x
    x = 607,021,243.19/30,250.05
  6. Step 6: Final answer
    x = 20,066.78

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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.