Home / 30,986.52-46,479.24-10,210.20

Finding the Fourth Proportional to 30,986.52, 46,479.24 and 10,210.20

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Solution

The fourth proportional to 30,986.52, 46,479.24 and 10,210.20 is: 15,315.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,986.52 : 46,479.24 = 10,210.20 : x
  2. Step 2: Convert to fraction form
    30,986.52/46,479.24 = 10,210.20/x
  3. Step 3: Cross multiply
    30,986.52x = 46,479.24 × 10,210.20
  4. Step 4: Simplify right side
    30,986.52x = 474,562,336.25
  5. Step 5: Solve for x
    x = 474,562,336.25/30,986.52
  6. Step 6: Final answer
    x = 15,315.12

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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.