Home / 37,779.41-52,132.37-21,864.84

Finding the Fourth Proportional to 37,779.41, 52,132.37 and 21,864.84

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Solution

The fourth proportional to 37,779.41, 52,132.37 and 21,864.84 is: 30,171.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,779.41 : 52,132.37 = 21,864.84 : x
  2. Step 2: Convert to fraction form
    37,779.41/52,132.37 = 21,864.84/x
  3. Step 3: Cross multiply
    37,779.41x = 52,132.37 × 21,864.84
  4. Step 4: Simplify right side
    37,779.41x = 1,139,865,819.55
  5. Step 5: Solve for x
    x = 1,139,865,819.55/37,779.41
  6. Step 6: Final answer
    x = 30,171.62

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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.