Home / 30,454.28-45,680.93-9,107.04

Finding the Fourth Proportional to 30,454.28, 45,680.93 and 9,107.04

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Solution

The fourth proportional to 30,454.28, 45,680.93 and 9,107.04 is: 13,660.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,454.28 : 45,680.93 = 9,107.04 : x
  2. Step 2: Convert to fraction form
    30,454.28/45,680.93 = 9,107.04/x
  3. Step 3: Cross multiply
    30,454.28x = 45,680.93 × 9,107.04
  4. Step 4: Simplify right side
    30,454.28x = 416,018,011.21
  5. Step 5: Solve for x
    x = 416,018,011.21/30,454.28
  6. Step 6: Final answer
    x = 13,660.41

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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.