Home / 31,946.91-47,933.95-13,240.54

Finding the Fourth Proportional to 31,946.91, 47,933.95 and 13,240.54

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Solution

The fourth proportional to 31,946.91, 47,933.95 and 13,240.54 is: 19,866.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,946.91 : 47,933.95 = 13,240.54 : x
  2. Step 2: Convert to fraction form
    31,946.91/47,933.95 = 13,240.54/x
  3. Step 3: Cross multiply
    31,946.91x = 47,933.95 × 13,240.54
  4. Step 4: Simplify right side
    31,946.91x = 634,671,336.40
  5. Step 5: Solve for x
    x = 634,671,336.40/31,946.91
  6. Step 6: Final answer
    x = 19,866.44

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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.