Home / 53,490.66-73,815.42-30,829.74

Finding the Fourth Proportional to 53,490.66, 73,815.42 and 30,829.74

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Solution

The fourth proportional to 53,490.66, 73,815.42 and 30,829.74 is: 42,544.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,490.66 : 73,815.42 = 30,829.74 : x
  2. Step 2: Convert to fraction form
    53,490.66/73,815.42 = 30,829.74/x
  3. Step 3: Cross multiply
    53,490.66x = 73,815.42 × 30,829.74
  4. Step 4: Simplify right side
    53,490.66x = 2,275,710,206.59
  5. Step 5: Solve for x
    x = 2,275,710,206.59/53,490.66
  6. Step 6: Final answer
    x = 42,544.07

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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.