Home / 31,852.47-47,777.62-8,160.23

Finding the Fourth Proportional to 31,852.47, 47,777.62 and 8,160.23

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Solution

The fourth proportional to 31,852.47, 47,777.62 and 8,160.23 is: 12,240.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,852.47 : 47,777.62 = 8,160.23 : x
  2. Step 2: Convert to fraction form
    31,852.47/47,777.62 = 8,160.23/x
  3. Step 3: Cross multiply
    31,852.47x = 47,777.62 × 8,160.23
  4. Step 4: Simplify right side
    31,852.47x = 389,876,368.05
  5. Step 5: Solve for x
    x = 389,876,368.05/31,852.47
  6. Step 6: Final answer
    x = 12,240.07

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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.