Home / 31,669.60-47,504.40-8,298.40

Finding the Fourth Proportional to 31,669.60, 47,504.40 and 8,298.40

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Solution

The fourth proportional to 31,669.60, 47,504.40 and 8,298.40 is: 12,447.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,669.60 : 47,504.40 = 8,298.40 : x
  2. Step 2: Convert to fraction form
    31,669.60/47,504.40 = 8,298.40/x
  3. Step 3: Cross multiply
    31,669.60x = 47,504.40 × 8,298.40
  4. Step 4: Simplify right side
    31,669.60x = 394,210,512.96
  5. Step 5: Solve for x
    x = 394,210,512.96/31,669.60
  6. Step 6: Final answer
    x = 12,447.60

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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.