Home / 59,828.64-89,730.48-20,385.44

Finding the Fourth Proportional to 59,828.64, 89,730.48 and 20,385.44

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Solution

The fourth proportional to 59,828.64, 89,730.48 and 20,385.44 is: 30,573.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,828.64 : 89,730.48 = 20,385.44 : x
  2. Step 2: Convert to fraction form
    59,828.64/89,730.48 = 20,385.44/x
  3. Step 3: Cross multiply
    59,828.64x = 89,730.48 × 20,385.44
  4. Step 4: Simplify right side
    59,828.64x = 1,829,195,316.21
  5. Step 5: Solve for x
    x = 1,829,195,316.21/59,828.64
  6. Step 6: Final answer
    x = 30,573.91

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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.