Home / 50,319.60-75,479.40-20,727.60

Finding the Fourth Proportional to 50,319.60, 75,479.40 and 20,727.60

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Solution

The fourth proportional to 50,319.60, 75,479.40 and 20,727.60 is: 31,091.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,319.60 : 75,479.40 = 20,727.60 : x
  2. Step 2: Convert to fraction form
    50,319.60/75,479.40 = 20,727.60/x
  3. Step 3: Cross multiply
    50,319.60x = 75,479.40 × 20,727.60
  4. Step 4: Simplify right side
    50,319.60x = 1,564,506,811.44
  5. Step 5: Solve for x
    x = 1,564,506,811.44/50,319.60
  6. Step 6: Final answer
    x = 31,091.40

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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.