Home / 30,775.28-46,177.32-15,976.16

Finding the Fourth Proportional to 30,775.28, 46,177.32 and 15,976.16

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Solution

The fourth proportional to 30,775.28, 46,177.32 and 15,976.16 is: 23,971.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,775.28 : 46,177.32 = 15,976.16 : x
  2. Step 2: Convert to fraction form
    30,775.28/46,177.32 = 15,976.16/x
  3. Step 3: Cross multiply
    30,775.28x = 46,177.32 × 15,976.16
  4. Step 4: Simplify right side
    30,775.28x = 737,736,252.69
  5. Step 5: Solve for x
    x = 737,736,252.69/30,775.28
  6. Step 6: Final answer
    x = 23,971.72

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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.