Home / 31,380.10-47,070.16-9,193.48

Finding the Fourth Proportional to 31,380.10, 47,070.16 and 9,193.48

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Solution

The fourth proportional to 31,380.10, 47,070.16 and 9,193.48 is: 13,790.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,380.10 : 47,070.16 = 9,193.48 : x
  2. Step 2: Convert to fraction form
    31,380.10/47,070.16 = 9,193.48/x
  3. Step 3: Cross multiply
    31,380.10x = 47,070.16 × 9,193.48
  4. Step 4: Simplify right side
    31,380.10x = 432,738,698.67
  5. Step 5: Solve for x
    x = 432,738,698.67/31,380.10
  6. Step 6: Final answer
    x = 13,790.23

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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.