Home / 30,521.10-45,775.48-8,332.62

Finding the Fourth Proportional to 30,521.10, 45,775.48 and 8,332.62

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Solution

The fourth proportional to 30,521.10, 45,775.48 and 8,332.62 is: 12,497.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,521.10 : 45,775.48 = 8,332.62 : x
  2. Step 2: Convert to fraction form
    30,521.10/45,775.48 = 8,332.62/x
  3. Step 3: Cross multiply
    30,521.10x = 45,775.48 × 8,332.62
  4. Step 4: Simplify right side
    30,521.10x = 381,429,760.78
  5. Step 5: Solve for x
    x = 381,429,760.78/30,521.10
  6. Step 6: Final answer
    x = 12,497.25

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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.