Home / 32,740.30-45,190.61-19,140.10

Finding the Fourth Proportional to 32,740.30, 45,190.61 and 19,140.10

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Solution

The fourth proportional to 32,740.30, 45,190.61 and 19,140.10 is: 26,418.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,740.30 : 45,190.61 = 19,140.10 : x
  2. Step 2: Convert to fraction form
    32,740.30/45,190.61 = 19,140.10/x
  3. Step 3: Cross multiply
    32,740.30x = 45,190.61 × 19,140.10
  4. Step 4: Simplify right side
    32,740.30x = 864,952,657.56
  5. Step 5: Solve for x
    x = 864,952,657.56/32,740.30
  6. Step 6: Final answer
    x = 26,418.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.