Home / 54,559.40-75,290.48-30,685.48

Finding the Fourth Proportional to 54,559.40, 75,290.48 and 30,685.48

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Solution

The fourth proportional to 54,559.40, 75,290.48 and 30,685.48 is: 42,345.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,559.40 : 75,290.48 = 30,685.48 : x
  2. Step 2: Convert to fraction form
    54,559.40/75,290.48 = 30,685.48/x
  3. Step 3: Cross multiply
    54,559.40x = 75,290.48 × 30,685.48
  4. Step 4: Simplify right side
    54,559.40x = 2,310,324,518.23
  5. Step 5: Solve for x
    x = 2,310,324,518.23/54,559.40
  6. Step 6: Final answer
    x = 42,345.12

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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.