Home / 31,641.84-47,548.98-16,861.32

Finding the Fourth Proportional to 31,641.84, 47,548.98 and 16,861.32

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Solution

The fourth proportional to 31,641.84, 47,548.98 and 16,861.32 is: 25,337.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,641.84 : 47,548.98 = 16,861.32 : x
  2. Step 2: Convert to fraction form
    31,641.84/47,548.98 = 16,861.32/x
  3. Step 3: Cross multiply
    31,641.84x = 47,548.98 × 16,861.32
  4. Step 4: Simplify right side
    31,641.84x = 801,738,567.45
  5. Step 5: Solve for x
    x = 801,738,567.45/31,641.84
  6. Step 6: Final answer
    x = 25,337.92

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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.