Home / 32,859.60-45,339.48-19,431.24

Finding the Fourth Proportional to 32,859.60, 45,339.48 and 19,431.24

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Solution

The fourth proportional to 32,859.60, 45,339.48 and 19,431.24 is: 26,811.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,859.60 : 45,339.48 = 19,431.24 : x
  2. Step 2: Convert to fraction form
    32,859.60/45,339.48 = 19,431.24/x
  3. Step 3: Cross multiply
    32,859.60x = 45,339.48 × 19,431.24
  4. Step 4: Simplify right side
    32,859.60x = 881,002,317.36
  5. Step 5: Solve for x
    x = 881,002,317.36/32,859.60
  6. Step 6: Final answer
    x = 26,811.11

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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.