Home / 48,214.80-72,322.20-28,515.60

Finding the Fourth Proportional to 48,214.80, 72,322.20 and 28,515.60

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Solution

The fourth proportional to 48,214.80, 72,322.20 and 28,515.60 is: 42,773.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,214.80 : 72,322.20 = 28,515.60 : x
  2. Step 2: Convert to fraction form
    48,214.80/72,322.20 = 28,515.60/x
  3. Step 3: Cross multiply
    48,214.80x = 72,322.20 × 28,515.60
  4. Step 4: Simplify right side
    48,214.80x = 2,062,310,926.32
  5. Step 5: Solve for x
    x = 2,062,310,926.32/48,214.80
  6. Step 6: Final answer
    x = 42,773.40

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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.