Home / 31,013.80-46,520.70-15,461.80

Finding the Fourth Proportional to 31,013.80, 46,520.70 and 15,461.80

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Solution

The fourth proportional to 31,013.80, 46,520.70 and 15,461.80 is: 23,192.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,013.80 : 46,520.70 = 15,461.80 : x
  2. Step 2: Convert to fraction form
    31,013.80/46,520.70 = 15,461.80/x
  3. Step 3: Cross multiply
    31,013.80x = 46,520.70 × 15,461.80
  4. Step 4: Simplify right side
    31,013.80x = 719,293,759.26
  5. Step 5: Solve for x
    x = 719,293,759.26/31,013.80
  6. Step 6: Final answer
    x = 23,192.70

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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.