Home / 54,739.98-75,534.75-30,865.23

Finding the Fourth Proportional to 54,739.98, 75,534.75 and 30,865.23

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Solution

The fourth proportional to 54,739.98, 75,534.75 and 30,865.23 is: 42,590.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,739.98 : 75,534.75 = 30,865.23 : x
  2. Step 2: Convert to fraction form
    54,739.98/75,534.75 = 30,865.23/x
  3. Step 3: Cross multiply
    54,739.98x = 75,534.75 × 30,865.23
  4. Step 4: Simplify right side
    54,739.98x = 2,331,397,431.74
  5. Step 5: Solve for x
    x = 2,331,397,431.74/54,739.98
  6. Step 6: Final answer
    x = 42,590.40

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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.