Home / 32,781.66-45,255.16-19,357.12

Finding the Fourth Proportional to 32,781.66, 45,255.16 and 19,357.12

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Solution

The fourth proportional to 32,781.66, 45,255.16 and 19,357.12 is: 26,722.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,781.66 : 45,255.16 = 19,357.12 : x
  2. Step 2: Convert to fraction form
    32,781.66/45,255.16 = 19,357.12/x
  3. Step 3: Cross multiply
    32,781.66x = 45,255.16 × 19,357.12
  4. Step 4: Simplify right side
    32,781.66x = 876,009,562.74
  5. Step 5: Solve for x
    x = 876,009,562.74/32,781.66
  6. Step 6: Final answer
    x = 26,722.55

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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.