Home / 31,663.08-47,478.42-16,880.04

Finding the Fourth Proportional to 31,663.08, 47,478.42 and 16,880.04

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Solution

The fourth proportional to 31,663.08, 47,478.42 and 16,880.04 is: 25,311.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,663.08 : 47,478.42 = 16,880.04 : x
  2. Step 2: Convert to fraction form
    31,663.08/47,478.42 = 16,880.04/x
  3. Step 3: Cross multiply
    31,663.08x = 47,478.42 × 16,880.04
  4. Step 4: Simplify right side
    31,663.08x = 801,437,628.74
  5. Step 5: Solve for x
    x = 801,437,628.74/31,663.08
  6. Step 6: Final answer
    x = 25,311.42

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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.