Home / 43,573.90-65,344.23-18,625.51

Finding the Fourth Proportional to 43,573.90, 65,344.23 and 18,625.51

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Solution

The fourth proportional to 43,573.90, 65,344.23 and 18,625.51 is: 27,931.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,573.90 : 65,344.23 = 18,625.51 : x
  2. Step 2: Convert to fraction form
    43,573.90/65,344.23 = 18,625.51/x
  3. Step 3: Cross multiply
    43,573.90x = 65,344.23 × 18,625.51
  4. Step 4: Simplify right side
    43,573.90x = 1,217,069,609.31
  5. Step 5: Solve for x
    x = 1,217,069,609.31/43,573.90
  6. Step 6: Final answer
    x = 27,931.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.