Home / 48,637.60-72,902.40-19,045.60

Finding the Fourth Proportional to 48,637.60, 72,902.40 and 19,045.60

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Solution

The fourth proportional to 48,637.60, 72,902.40 and 19,045.60 is: 28,547.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,637.60 : 72,902.40 = 19,045.60 : x
  2. Step 2: Convert to fraction form
    48,637.60/72,902.40 = 19,045.60/x
  3. Step 3: Cross multiply
    48,637.60x = 72,902.40 × 19,045.60
  4. Step 4: Simplify right side
    48,637.60x = 1,388,469,949.44
  5. Step 5: Solve for x
    x = 1,388,469,949.44/48,637.60
  6. Step 6: Final answer
    x = 28,547.25

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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.