Home / 48,398.37-72,569.63-18,781.59

Finding the Fourth Proportional to 48,398.37, 72,569.63 and 18,781.59

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Solution

The fourth proportional to 48,398.37, 72,569.63 and 18,781.59 is: 28,161.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,398.37 : 72,569.63 = 18,781.59 : x
  2. Step 2: Convert to fraction form
    48,398.37/72,569.63 = 18,781.59/x
  3. Step 3: Cross multiply
    48,398.37x = 72,569.63 × 18,781.59
  4. Step 4: Simplify right side
    48,398.37x = 1,362,972,943.20
  5. Step 5: Solve for x
    x = 1,362,972,943.20/48,398.37
  6. Step 6: Final answer
    x = 28,161.55

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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.