Home / 36,439.60-50,291.40-20,527.12

Finding the Fourth Proportional to 36,439.60, 50,291.40 and 20,527.12

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Solution

The fourth proportional to 36,439.60, 50,291.40 and 20,527.12 is: 28,330.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,439.60 : 50,291.40 = 20,527.12 : x
  2. Step 2: Convert to fraction form
    36,439.60/50,291.40 = 20,527.12/x
  3. Step 3: Cross multiply
    36,439.60x = 50,291.40 × 20,527.12
  4. Step 4: Simplify right side
    36,439.60x = 1,032,337,602.77
  5. Step 5: Solve for x
    x = 1,032,337,602.77/36,439.60
  6. Step 6: Final answer
    x = 28,330.10

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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.