Home / 30,258.24-45,388.58-10,538.79

Finding the Fourth Proportional to 30,258.24, 45,388.58 and 10,538.79

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Solution

The fourth proportional to 30,258.24, 45,388.58 and 10,538.79 is: 15,808.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,258.24 : 45,388.58 = 10,538.79 : x
  2. Step 2: Convert to fraction form
    30,258.24/45,388.58 = 10,538.79/x
  3. Step 3: Cross multiply
    30,258.24x = 45,388.58 × 10,538.79
  4. Step 4: Simplify right side
    30,258.24x = 478,340,660.32
  5. Step 5: Solve for x
    x = 478,340,660.32/30,258.24
  6. Step 6: Final answer
    x = 15,808.61

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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.