Home / 31,203.23-46,812.26-10,143.36

Finding the Fourth Proportional to 31,203.23, 46,812.26 and 10,143.36

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Solution

The fourth proportional to 31,203.23, 46,812.26 and 10,143.36 is: 15,217.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,203.23 : 46,812.26 = 10,143.36 : x
  2. Step 2: Convert to fraction form
    31,203.23/46,812.26 = 10,143.36/x
  3. Step 3: Cross multiply
    31,203.23x = 46,812.26 × 10,143.36
  4. Step 4: Simplify right side
    31,203.23x = 474,833,630.95
  5. Step 5: Solve for x
    x = 474,833,630.95/31,203.23
  6. Step 6: Final answer
    x = 15,217.45

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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.