Home / 31,813.50-47,712.36-10,753.07

Finding the Fourth Proportional to 31,813.50, 47,712.36 and 10,753.07

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Solution

The fourth proportional to 31,813.50, 47,712.36 and 10,753.07 is: 16,126.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,813.50 : 47,712.36 = 10,753.07 : x
  2. Step 2: Convert to fraction form
    31,813.50/47,712.36 = 10,753.07/x
  3. Step 3: Cross multiply
    31,813.50x = 47,712.36 × 10,753.07
  4. Step 4: Simplify right side
    31,813.50x = 513,054,417.09
  5. Step 5: Solve for x
    x = 513,054,417.09/31,813.50
  6. Step 6: Final answer
    x = 16,126.94

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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.