Home / 32,420.63-48,630.47-19,774.10

Finding the Fourth Proportional to 32,420.63, 48,630.47 and 19,774.10

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Solution

The fourth proportional to 32,420.63, 48,630.47 and 19,774.10 is: 29,660.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,420.63 : 48,630.47 = 19,774.10 : x
  2. Step 2: Convert to fraction form
    32,420.63/48,630.47 = 19,774.10/x
  3. Step 3: Cross multiply
    32,420.63x = 48,630.47 × 19,774.10
  4. Step 4: Simplify right side
    32,420.63x = 961,623,799.53
  5. Step 5: Solve for x
    x = 961,623,799.53/32,420.63
  6. Step 6: Final answer
    x = 29,660.86

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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.