Home / 37,128.60-55,701.45-14,942.70

Finding the Fourth Proportional to 37,128.60, 55,701.45 and 14,942.70

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Solution

The fourth proportional to 37,128.60, 55,701.45 and 14,942.70 is: 22,417.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,128.60 : 55,701.45 = 14,942.70 : x
  2. Step 2: Convert to fraction form
    37,128.60/55,701.45 = 14,942.70/x
  3. Step 3: Cross multiply
    37,128.60x = 55,701.45 × 14,942.70
  4. Step 4: Simplify right side
    37,128.60x = 832,330,056.92
  5. Step 5: Solve for x
    x = 832,330,056.92/37,128.60
  6. Step 6: Final answer
    x = 22,417.49

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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.