Home / 30,816.52-46,217.64-8,631.46

Finding the Fourth Proportional to 30,816.52, 46,217.64 and 8,631.46

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Solution

The fourth proportional to 30,816.52, 46,217.64 and 8,631.46 is: 12,945.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,816.52 : 46,217.64 = 8,631.46 : x
  2. Step 2: Convert to fraction form
    30,816.52/46,217.64 = 8,631.46/x
  3. Step 3: Cross multiply
    30,816.52x = 46,217.64 × 8,631.46
  4. Step 4: Simplify right side
    30,816.52x = 398,925,710.95
  5. Step 5: Solve for x
    x = 398,925,710.95/30,816.52
  6. Step 6: Final answer
    x = 12,945.19

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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.