Home / 58,387.76-87,571.04-20,442.59

Finding the Fourth Proportional to 58,387.76, 87,571.04 and 20,442.59

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Solution

The fourth proportional to 58,387.76, 87,571.04 and 20,442.59 is: 30,660.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,387.76 : 87,571.04 = 20,442.59 : x
  2. Step 2: Convert to fraction form
    58,387.76/87,571.04 = 20,442.59/x
  3. Step 3: Cross multiply
    58,387.76x = 87,571.04 × 20,442.59
  4. Step 4: Simplify right side
    58,387.76x = 1,790,178,326.53
  5. Step 5: Solve for x
    x = 1,790,178,326.53/58,387.76
  6. Step 6: Final answer
    x = 30,660.17

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1.5x scale

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.