Home / 31,463.63-43,420.62-17,124.40

Finding the Fourth Proportional to 31,463.63, 43,420.62 and 17,124.40

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Solution

The fourth proportional to 31,463.63, 43,420.62 and 17,124.40 is: 23,632.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,463.63 : 43,420.62 = 17,124.40 : x
  2. Step 2: Convert to fraction form
    31,463.63/43,420.62 = 17,124.40/x
  3. Step 3: Cross multiply
    31,463.63x = 43,420.62 × 17,124.40
  4. Step 4: Simplify right side
    31,463.63x = 743,552,065.13
  5. Step 5: Solve for x
    x = 743,552,065.13/31,463.63
  6. Step 6: Final answer
    x = 23,632.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.