Home / 54,594.90-75,334.86-30,721.08

Finding the Fourth Proportional to 54,594.90, 75,334.86 and 30,721.08

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Solution

The fourth proportional to 54,594.90, 75,334.86 and 30,721.08 is: 42,391.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,594.90 : 75,334.86 = 30,721.08 : x
  2. Step 2: Convert to fraction form
    54,594.90/75,334.86 = 30,721.08/x
  3. Step 3: Cross multiply
    54,594.90x = 75,334.86 × 30,721.08
  4. Step 4: Simplify right side
    54,594.90x = 2,314,368,260.85
  5. Step 5: Solve for x
    x = 2,314,368,260.85/54,594.90
  6. Step 6: Final answer
    x = 42,391.66

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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.