Home / 32,777.08-45,219.54-20,179.96

Finding the Fourth Proportional to 32,777.08, 45,219.54 and 20,179.96

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Solution

The fourth proportional to 32,777.08, 45,219.54 and 20,179.96 is: 27,840.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,777.08 : 45,219.54 = 20,179.96 : x
  2. Step 2: Convert to fraction form
    32,777.08/45,219.54 = 20,179.96/x
  3. Step 3: Cross multiply
    32,777.08x = 45,219.54 × 20,179.96
  4. Step 4: Simplify right side
    32,777.08x = 912,528,508.42
  5. Step 5: Solve for x
    x = 912,528,508.42/32,777.08
  6. Step 6: Final answer
    x = 27,840.45

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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.