Home / 30,217.66-45,325.12-10,497.76

Finding the Fourth Proportional to 30,217.66, 45,325.12 and 10,497.76

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Solution

The fourth proportional to 30,217.66, 45,325.12 and 10,497.76 is: 15,746.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,217.66 : 45,325.12 = 10,497.76 : x
  2. Step 2: Convert to fraction form
    30,217.66/45,325.12 = 10,497.76/x
  3. Step 3: Cross multiply
    30,217.66x = 45,325.12 × 10,497.76
  4. Step 4: Simplify right side
    30,217.66x = 475,812,231.73
  5. Step 5: Solve for x
    x = 475,812,231.73/30,217.66
  6. Step 6: Final answer
    x = 15,746.16

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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.