Home / 54,394.56-75,064.28-30,521.32

Finding the Fourth Proportional to 54,394.56, 75,064.28 and 30,521.32

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Solution

The fourth proportional to 54,394.56, 75,064.28 and 30,521.32 is: 42,119.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,394.56 : 75,064.28 = 30,521.32 : x
  2. Step 2: Convert to fraction form
    54,394.56/75,064.28 = 30,521.32/x
  3. Step 3: Cross multiply
    54,394.56x = 75,064.28 × 30,521.32
  4. Step 4: Simplify right side
    54,394.56x = 2,291,060,910.45
  5. Step 5: Solve for x
    x = 2,291,060,910.45/54,394.56
  6. Step 6: Final answer
    x = 42,119.30

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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.