Home / 54,338.57-74,987.03-30,465.23

Finding the Fourth Proportional to 54,338.57, 74,987.03 and 30,465.23

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Solution

The fourth proportional to 54,338.57, 74,987.03 and 30,465.23 is: 42,041.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,338.57 : 74,987.03 = 30,465.23 : x
  2. Step 2: Convert to fraction form
    54,338.57/74,987.03 = 30,465.23/x
  3. Step 3: Cross multiply
    54,338.57x = 74,987.03 × 30,465.23
  4. Step 4: Simplify right side
    54,338.57x = 2,284,496,963.64
  5. Step 5: Solve for x
    x = 2,284,496,963.64/54,338.57
  6. Step 6: Final answer
    x = 42,041.90

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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.