Home / 59,838.40-89,730.13-20,379.46

Finding the Fourth Proportional to 59,838.40, 89,730.13 and 20,379.46

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Solution

The fourth proportional to 59,838.40, 89,730.13 and 20,379.46 is: 30,559.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,838.40 : 89,730.13 = 20,379.46 : x
  2. Step 2: Convert to fraction form
    59,838.40/89,730.13 = 20,379.46/x
  3. Step 3: Cross multiply
    59,838.40x = 89,730.13 × 20,379.46
  4. Step 4: Simplify right side
    59,838.40x = 1,828,651,044.58
  5. Step 5: Solve for x
    x = 1,828,651,044.58/59,838.40
  6. Step 6: Final answer
    x = 30,559.83

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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.