Home / 48,059.87-66,285.76-28,919.69

Finding the Fourth Proportional to 48,059.87, 66,285.76 and 28,919.69

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Solution

The fourth proportional to 48,059.87, 66,285.76 and 28,919.69 is: 39,886.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,059.87 : 66,285.76 = 28,919.69 : x
  2. Step 2: Convert to fraction form
    48,059.87/66,285.76 = 28,919.69/x
  3. Step 3: Cross multiply
    48,059.87x = 66,285.76 × 28,919.69
  4. Step 4: Simplify right side
    48,059.87x = 1,916,963,154.59
  5. Step 5: Solve for x
    x = 1,916,963,154.59/48,059.87
  6. Step 6: Final answer
    x = 39,886.99

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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.