Home / 32,742.99-45,190.79-19,317.57

Finding the Fourth Proportional to 32,742.99, 45,190.79 and 19,317.57

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Solution

The fourth proportional to 32,742.99, 45,190.79 and 19,317.57 is: 26,661.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,742.99 : 45,190.79 = 19,317.57 : x
  2. Step 2: Convert to fraction form
    32,742.99/45,190.79 = 19,317.57/x
  3. Step 3: Cross multiply
    32,742.99x = 45,190.79 × 19,317.57
  4. Step 4: Simplify right side
    32,742.99x = 872,976,152.59
  5. Step 5: Solve for x
    x = 872,976,152.59/32,742.99
  6. Step 6: Final answer
    x = 26,661.47

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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.