Home / 31,623.48-47,429.84-10,561.13

Finding the Fourth Proportional to 31,623.48, 47,429.84 and 10,561.13

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Solution

The fourth proportional to 31,623.48, 47,429.84 and 10,561.13 is: 15,839.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,623.48 : 47,429.84 = 10,561.13 : x
  2. Step 2: Convert to fraction form
    31,623.48/47,429.84 = 10,561.13/x
  3. Step 3: Cross multiply
    31,623.48x = 47,429.84 × 10,561.13
  4. Step 4: Simplify right side
    31,623.48x = 500,912,706.12
  5. Step 5: Solve for x
    x = 500,912,706.12/31,623.48
  6. Step 6: Final answer
    x = 15,839.90

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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.