Home / 31,897.55-47,832.49-9,705.77

Finding the Fourth Proportional to 31,897.55, 47,832.49 and 9,705.77

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Solution

The fourth proportional to 31,897.55, 47,832.49 and 9,705.77 is: 14,554.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,897.55 : 47,832.49 = 9,705.77 : x
  2. Step 2: Convert to fraction form
    31,897.55/47,832.49 = 9,705.77/x
  3. Step 3: Cross multiply
    31,897.55x = 47,832.49 × 9,705.77
  4. Step 4: Simplify right side
    31,897.55x = 464,251,367.87
  5. Step 5: Solve for x
    x = 464,251,367.87/31,897.55
  6. Step 6: Final answer
    x = 14,554.45

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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.