Home / 37,120.40-51,226.20-20,124.74

Finding the Fourth Proportional to 37,120.40, 51,226.20 and 20,124.74

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Solution

The fourth proportional to 37,120.40, 51,226.20 and 20,124.74 is: 27,772.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,120.40 : 51,226.20 = 20,124.74 : x
  2. Step 2: Convert to fraction form
    37,120.40/51,226.20 = 20,124.74/x
  3. Step 3: Cross multiply
    37,120.40x = 51,226.20 × 20,124.74
  4. Step 4: Simplify right side
    37,120.40x = 1,030,913,956.19
  5. Step 5: Solve for x
    x = 1,030,913,956.19/37,120.40
  6. Step 6: Final answer
    x = 27,772.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.