Home / 57,528.40-86,331.96-20,088.44

Finding the Fourth Proportional to 57,528.40, 86,331.96 and 20,088.44

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Solution

The fourth proportional to 57,528.40, 86,331.96 and 20,088.44 is: 30,146.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,528.40 : 86,331.96 = 20,088.44 : x
  2. Step 2: Convert to fraction form
    57,528.40/86,331.96 = 20,088.44/x
  3. Step 3: Cross multiply
    57,528.40x = 86,331.96 × 20,088.44
  4. Step 4: Simplify right side
    57,528.40x = 1,734,274,398.54
  5. Step 5: Solve for x
    x = 1,734,274,398.54/57,528.40
  6. Step 6: Final answer
    x = 30,146.40

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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.