Home / 31,013.40-46,487.70-16,951.80

Finding the Fourth Proportional to 31,013.40, 46,487.70 and 16,951.80

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Solution

The fourth proportional to 31,013.40, 46,487.70 and 16,951.80 is: 25,409.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,013.40 : 46,487.70 = 16,951.80 : x
  2. Step 2: Convert to fraction form
    31,013.40/46,487.70 = 16,951.80/x
  3. Step 3: Cross multiply
    31,013.40x = 46,487.70 × 16,951.80
  4. Step 4: Simplify right side
    31,013.40x = 788,050,192.86
  5. Step 5: Solve for x
    x = 788,050,192.86/31,013.40
  6. Step 6: Final answer
    x = 25,409.99

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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.