Home / 31,703.48-47,553.58-10,643.68

Finding the Fourth Proportional to 31,703.48, 47,553.58 and 10,643.68

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Solution

The fourth proportional to 31,703.48, 47,553.58 and 10,643.68 is: 15,964.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,703.48 : 47,553.58 = 10,643.68 : x
  2. Step 2: Convert to fraction form
    31,703.48/47,553.58 = 10,643.68/x
  3. Step 3: Cross multiply
    31,703.48x = 47,553.58 × 10,643.68
  4. Step 4: Simplify right side
    31,703.48x = 506,144,942.88
  5. Step 5: Solve for x
    x = 506,144,942.88/31,703.48
  6. Step 6: Final answer
    x = 15,964.97

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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.