Home / 30,143.16-45,181.92-25,747.32

Finding the Fourth Proportional to 30,143.16, 45,181.92 and 25,747.32

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Solution

The fourth proportional to 30,143.16, 45,181.92 and 25,747.32 is: 38,592.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,143.16 : 45,181.92 = 25,747.32 : x
  2. Step 2: Convert to fraction form
    30,143.16/45,181.92 = 25,747.32/x
  3. Step 3: Cross multiply
    30,143.16x = 45,181.92 × 25,747.32
  4. Step 4: Simplify right side
    30,143.16x = 1,163,313,352.45
  5. Step 5: Solve for x
    x = 1,163,313,352.45/30,143.16
  6. Step 6: Final answer
    x = 38,592.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.