Home / 32,719.60-45,152.40-19,291.42

Finding the Fourth Proportional to 32,719.60, 45,152.40 and 19,291.42

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Solution

The fourth proportional to 32,719.60, 45,152.40 and 19,291.42 is: 26,621.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,719.60 : 45,152.40 = 19,291.42 : x
  2. Step 2: Convert to fraction form
    32,719.60/45,152.40 = 19,291.42/x
  3. Step 3: Cross multiply
    32,719.60x = 45,152.40 × 19,291.42
  4. Step 4: Simplify right side
    32,719.60x = 871,053,912.41
  5. Step 5: Solve for x
    x = 871,053,912.41/32,719.60
  6. Step 6: Final answer
    x = 26,621.78

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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.