Home / 40,390.50-55,744.10-23,169.57

Finding the Fourth Proportional to 40,390.50, 55,744.10 and 23,169.57

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Solution

The fourth proportional to 40,390.50, 55,744.10 and 23,169.57 is: 31,977.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,390.50 : 55,744.10 = 23,169.57 : x
  2. Step 2: Convert to fraction form
    40,390.50/55,744.10 = 23,169.57/x
  3. Step 3: Cross multiply
    40,390.50x = 55,744.10 × 23,169.57
  4. Step 4: Simplify right side
    40,390.50x = 1,291,566,827.04
  5. Step 5: Solve for x
    x = 1,291,566,827.04/40,390.50
  6. Step 6: Final answer
    x = 31,977.00

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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.