Home / 37,438.50-51,665.13-20,672.58

Finding the Fourth Proportional to 37,438.50, 51,665.13 and 20,672.58

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Solution

The fourth proportional to 37,438.50, 51,665.13 and 20,672.58 is: 28,528.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,438.50 : 51,665.13 = 20,672.58 : x
  2. Step 2: Convert to fraction form
    37,438.50/51,665.13 = 20,672.58/x
  3. Step 3: Cross multiply
    37,438.50x = 51,665.13 × 20,672.58
  4. Step 4: Simplify right side
    37,438.50x = 1,068,051,533.14
  5. Step 5: Solve for x
    x = 1,068,051,533.14/37,438.50
  6. Step 6: Final answer
    x = 28,528.16

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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.