Home / 54,388.56-75,056.02-30,515.33

Finding the Fourth Proportional to 54,388.56, 75,056.02 and 30,515.33

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Solution

The fourth proportional to 54,388.56, 75,056.02 and 30,515.33 is: 42,111.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,388.56 : 75,056.02 = 30,515.33 : x
  2. Step 2: Convert to fraction form
    54,388.56/75,056.02 = 30,515.33/x
  3. Step 3: Cross multiply
    54,388.56x = 75,056.02 × 30,515.33
  4. Step 4: Simplify right side
    54,388.56x = 2,290,359,330.14
  5. Step 5: Solve for x
    x = 2,290,359,330.14/54,388.56
  6. Step 6: Final answer
    x = 42,111.05

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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.