Home / 58,421.94-87,624.66-18,979.52

Finding the Fourth Proportional to 58,421.94, 87,624.66 and 18,979.52

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Solution

The fourth proportional to 58,421.94, 87,624.66 and 18,979.52 is: 28,466.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,421.94 : 87,624.66 = 18,979.52 : x
  2. Step 2: Convert to fraction form
    58,421.94/87,624.66 = 18,979.52/x
  3. Step 3: Cross multiply
    58,421.94x = 87,624.66 × 18,979.52
  4. Step 4: Simplify right side
    58,421.94x = 1,663,073,986.96
  5. Step 5: Solve for x
    x = 1,663,073,986.96/58,421.94
  6. Step 6: Final answer
    x = 28,466.60

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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.