Home / 54,389.21-75,057.03-30,518.10

Finding the Fourth Proportional to 54,389.21, 75,057.03 and 30,518.10

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Solution

The fourth proportional to 54,389.21, 75,057.03 and 30,518.10 is: 42,114.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,389.21 : 75,057.03 = 30,518.10 : x
  2. Step 2: Convert to fraction form
    54,389.21/75,057.03 = 30,518.10/x
  3. Step 3: Cross multiply
    54,389.21x = 75,057.03 × 30,518.10
  4. Step 4: Simplify right side
    54,389.21x = 2,290,597,947.24
  5. Step 5: Solve for x
    x = 2,290,597,947.24/54,389.21
  6. Step 6: Final answer
    x = 42,114.94

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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.