Home / 32,905.70-49,346.40-10,719.80

Finding the Fourth Proportional to 32,905.70, 49,346.40 and 10,719.80

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Solution

The fourth proportional to 32,905.70, 49,346.40 and 10,719.80 is: 16,075.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,905.70 : 49,346.40 = 10,719.80 : x
  2. Step 2: Convert to fraction form
    32,905.70/49,346.40 = 10,719.80/x
  3. Step 3: Cross multiply
    32,905.70x = 49,346.40 × 10,719.80
  4. Step 4: Simplify right side
    32,905.70x = 528,983,538.72
  5. Step 5: Solve for x
    x = 528,983,538.72/32,905.70
  6. Step 6: Final answer
    x = 16,075.74

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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.