Home / 48,439.60-72,605.40-18,847.60

Finding the Fourth Proportional to 48,439.60, 72,605.40 and 18,847.60

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Solution

The fourth proportional to 48,439.60, 72,605.40 and 18,847.60 is: 28,250.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,439.60 : 72,605.40 = 18,847.60 : x
  2. Step 2: Convert to fraction form
    48,439.60/72,605.40 = 18,847.60/x
  3. Step 3: Cross multiply
    48,439.60x = 72,605.40 × 18,847.60
  4. Step 4: Simplify right side
    48,439.60x = 1,368,437,537.04
  5. Step 5: Solve for x
    x = 1,368,437,537.04/48,439.60
  6. Step 6: Final answer
    x = 28,250.39

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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.