Home / 32,390.66-48,508.22-18,510.50

Finding the Fourth Proportional to 32,390.66, 48,508.22 and 18,510.50

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Solution

The fourth proportional to 32,390.66, 48,508.22 and 18,510.50 is: 27,721.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,390.66 : 48,508.22 = 18,510.50 : x
  2. Step 2: Convert to fraction form
    32,390.66/48,508.22 = 18,510.50/x
  3. Step 3: Cross multiply
    32,390.66x = 48,508.22 × 18,510.50
  4. Step 4: Simplify right side
    32,390.66x = 897,911,406.31
  5. Step 5: Solve for x
    x = 897,911,406.31/32,390.66
  6. Step 6: Final answer
    x = 27,721.31

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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.