Home / 48,434.36-72,670.16-18,873.14

Finding the Fourth Proportional to 48,434.36, 72,670.16 and 18,873.14

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Solution

The fourth proportional to 48,434.36, 72,670.16 and 18,873.14 is: 28,316.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,434.36 : 72,670.16 = 18,873.14 : x
  2. Step 2: Convert to fraction form
    48,434.36/72,670.16 = 18,873.14/x
  3. Step 3: Cross multiply
    48,434.36x = 72,670.16 × 18,873.14
  4. Step 4: Simplify right side
    48,434.36x = 1,371,513,787.33
  5. Step 5: Solve for x
    x = 1,371,513,787.33/48,434.36
  6. Step 6: Final answer
    x = 28,316.96

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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.