Home / 54,389.68-75,059.05-30,518.12

Finding the Fourth Proportional to 54,389.68, 75,059.05 and 30,518.12

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Solution

The fourth proportional to 54,389.68, 75,059.05 and 30,518.12 is: 42,115.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,389.68 : 75,059.05 = 30,518.12 : x
  2. Step 2: Convert to fraction form
    54,389.68/75,059.05 = 30,518.12/x
  3. Step 3: Cross multiply
    54,389.68x = 75,059.05 × 30,518.12
  4. Step 4: Simplify right side
    54,389.68x = 2,290,661,094.99
  5. Step 5: Solve for x
    x = 2,290,661,094.99/54,389.68
  6. Step 6: Final answer
    x = 42,115.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.