Home / 37,008.45-55,530.90-21,225.60

Finding the Fourth Proportional to 37,008.45, 55,530.90 and 21,225.60

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Solution

The fourth proportional to 37,008.45, 55,530.90 and 21,225.60 is: 31,848.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,008.45 : 55,530.90 = 21,225.60 : x
  2. Step 2: Convert to fraction form
    37,008.45/55,530.90 = 21,225.60/x
  3. Step 3: Cross multiply
    37,008.45x = 55,530.90 × 21,225.60
  4. Step 4: Simplify right side
    37,008.45x = 1,178,676,671.04
  5. Step 5: Solve for x
    x = 1,178,676,671.04/37,008.45
  6. Step 6: Final answer
    x = 31,848.85

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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.