Home / 32,812.30-49,218.45-19,657.90

Finding the Fourth Proportional to 32,812.30, 49,218.45 and 19,657.90

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Solution

The fourth proportional to 32,812.30, 49,218.45 and 19,657.90 is: 29,486.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,812.30 : 49,218.45 = 19,657.90 : x
  2. Step 2: Convert to fraction form
    32,812.30/49,218.45 = 19,657.90/x
  3. Step 3: Cross multiply
    32,812.30x = 49,218.45 × 19,657.90
  4. Step 4: Simplify right side
    32,812.30x = 967,531,368.26
  5. Step 5: Solve for x
    x = 967,531,368.26/32,812.30
  6. Step 6: Final answer
    x = 29,486.85

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1.5x scale

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.