Home / 40,283.78-60,426.86-19,226.03

Finding the Fourth Proportional to 40,283.78, 60,426.86 and 19,226.03

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Solution

The fourth proportional to 40,283.78, 60,426.86 and 19,226.03 is: 28,839.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,283.78 : 60,426.86 = 19,226.03 : x
  2. Step 2: Convert to fraction form
    40,283.78/60,426.86 = 19,226.03/x
  3. Step 3: Cross multiply
    40,283.78x = 60,426.86 × 19,226.03
  4. Step 4: Simplify right side
    40,283.78x = 1,161,768,678.10
  5. Step 5: Solve for x
    x = 1,161,768,678.10/40,283.78
  6. Step 6: Final answer
    x = 28,839.62

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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.