Home / 39,678.36-59,541.84-15,981.54

Finding the Fourth Proportional to 39,678.36, 59,541.84 and 15,981.54

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Solution

The fourth proportional to 39,678.36, 59,541.84 and 15,981.54 is: 23,982.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,678.36 : 59,541.84 = 15,981.54 : x
  2. Step 2: Convert to fraction form
    39,678.36/59,541.84 = 15,981.54/x
  3. Step 3: Cross multiply
    39,678.36x = 59,541.84 × 15,981.54
  4. Step 4: Simplify right side
    39,678.36x = 951,570,297.63
  5. Step 5: Solve for x
    x = 951,570,297.63/39,678.36
  6. Step 6: Final answer
    x = 23,982.10

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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.