Home / 54,593.93-75,340.78-30,720.60

Finding the Fourth Proportional to 54,593.93, 75,340.78 and 30,720.60

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Solution

The fourth proportional to 54,593.93, 75,340.78 and 30,720.60 is: 42,395.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,593.93 : 75,340.78 = 30,720.60 : x
  2. Step 2: Convert to fraction form
    54,593.93/75,340.78 = 30,720.60/x
  3. Step 3: Cross multiply
    54,593.93x = 75,340.78 × 30,720.60
  4. Step 4: Simplify right side
    54,593.93x = 2,314,513,889.27
  5. Step 5: Solve for x
    x = 2,314,513,889.27/54,593.93
  6. Step 6: Final answer
    x = 42,395.08

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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.