Home / 32,716.79-45,145.80-18,378.23

Finding the Fourth Proportional to 32,716.79, 45,145.80 and 18,378.23

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Solution

The fourth proportional to 32,716.79, 45,145.80 and 18,378.23 is: 25,360.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,716.79 : 45,145.80 = 18,378.23 : x
  2. Step 2: Convert to fraction form
    32,716.79/45,145.80 = 18,378.23/x
  3. Step 3: Cross multiply
    32,716.79x = 45,145.80 × 18,378.23
  4. Step 4: Simplify right side
    32,716.79x = 829,699,895.93
  5. Step 5: Solve for x
    x = 829,699,895.93/32,716.79
  6. Step 6: Final answer
    x = 25,360.06

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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.