Home / 32,991.13-45,528.65-18,651.50

Finding the Fourth Proportional to 32,991.13, 45,528.65 and 18,651.50

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Solution

The fourth proportional to 32,991.13, 45,528.65 and 18,651.50 is: 25,739.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,991.13 : 45,528.65 = 18,651.50 : x
  2. Step 2: Convert to fraction form
    32,991.13/45,528.65 = 18,651.50/x
  3. Step 3: Cross multiply
    32,991.13x = 45,528.65 × 18,651.50
  4. Step 4: Simplify right side
    32,991.13x = 849,177,615.48
  5. Step 5: Solve for x
    x = 849,177,615.48/32,991.13
  6. Step 6: Final answer
    x = 25,739.57

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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.