Home / 48,243.78-66,539.84-42,265.08

Finding the Fourth Proportional to 48,243.78, 66,539.84 and 42,265.08

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Solution

The fourth proportional to 48,243.78, 66,539.84 and 42,265.08 is: 58,293.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,243.78 : 66,539.84 = 42,265.08 : x
  2. Step 2: Convert to fraction form
    48,243.78/66,539.84 = 42,265.08/x
  3. Step 3: Cross multiply
    48,243.78x = 66,539.84 × 42,265.08
  4. Step 4: Simplify right side
    48,243.78x = 2,812,311,660.79
  5. Step 5: Solve for x
    x = 2,812,311,660.79/48,243.78
  6. Step 6: Final answer
    x = 58,293.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.