Home / 32,780.30-49,170.72-9,407.48

Finding the Fourth Proportional to 32,780.30, 49,170.72 and 9,407.48

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Solution

The fourth proportional to 32,780.30, 49,170.72 and 9,407.48 is: 14,111.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,780.30 : 49,170.72 = 9,407.48 : x
  2. Step 2: Convert to fraction form
    32,780.30/49,170.72 = 9,407.48/x
  3. Step 3: Cross multiply
    32,780.30x = 49,170.72 × 9,407.48
  4. Step 4: Simplify right side
    32,780.30x = 462,572,564.99
  5. Step 5: Solve for x
    x = 462,572,564.99/32,780.30
  6. Step 6: Final answer
    x = 14,111.30

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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.