Home / 31,984.74-44,142.17-18,558.99

Finding the Fourth Proportional to 31,984.74, 44,142.17 and 18,558.99

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Solution

The fourth proportional to 31,984.74, 44,142.17 and 18,558.99 is: 25,613.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,984.74 : 44,142.17 = 18,558.99 : x
  2. Step 2: Convert to fraction form
    31,984.74/44,142.17 = 18,558.99/x
  3. Step 3: Cross multiply
    31,984.74x = 44,142.17 × 18,558.99
  4. Step 4: Simplify right side
    31,984.74x = 819,233,998.81
  5. Step 5: Solve for x
    x = 819,233,998.81/31,984.74
  6. Step 6: Final answer
    x = 25,613.28

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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.