Home / 40,710.48-61,074.45-12,629.94

Finding the Fourth Proportional to 40,710.48, 61,074.45 and 12,629.94

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Solution

The fourth proportional to 40,710.48, 61,074.45 and 12,629.94 is: 18,947.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,710.48 : 61,074.45 = 12,629.94 : x
  2. Step 2: Convert to fraction form
    40,710.48/61,074.45 = 12,629.94/x
  3. Step 3: Cross multiply
    40,710.48x = 61,074.45 × 12,629.94
  4. Step 4: Simplify right side
    40,710.48x = 771,366,639.03
  5. Step 5: Solve for x
    x = 771,366,639.03/40,710.48
  6. Step 6: Final answer
    x = 18,947.62

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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.