Home / 31,553.84-47,305.77-15,750.74

Finding the Fourth Proportional to 31,553.84, 47,305.77 and 15,750.74

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Solution

The fourth proportional to 31,553.84, 47,305.77 and 15,750.74 is: 23,613.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,553.84 : 47,305.77 = 15,750.74 : x
  2. Step 2: Convert to fraction form
    31,553.84/47,305.77 = 15,750.74/x
  3. Step 3: Cross multiply
    31,553.84x = 47,305.77 × 15,750.74
  4. Step 4: Simplify right side
    31,553.84x = 745,100,883.77
  5. Step 5: Solve for x
    x = 745,100,883.77/31,553.84
  6. Step 6: Final answer
    x = 23,613.64

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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.