Home / 48,268.48-72,397.68-18,685.60

Finding the Fourth Proportional to 48,268.48, 72,397.68 and 18,685.60

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Solution

The fourth proportional to 48,268.48, 72,397.68 and 18,685.60 is: 28,026.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,268.48 : 72,397.68 = 18,685.60 : x
  2. Step 2: Convert to fraction form
    48,268.48/72,397.68 = 18,685.60/x
  3. Step 3: Cross multiply
    48,268.48x = 72,397.68 × 18,685.60
  4. Step 4: Simplify right side
    48,268.48x = 1,352,794,089.41
  5. Step 5: Solve for x
    x = 1,352,794,089.41/48,268.48
  6. Step 6: Final answer
    x = 28,026.45

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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.