Home / 39,186.88-54,044.58-26,438.02

Finding the Fourth Proportional to 39,186.88, 54,044.58 and 26,438.02

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Solution

The fourth proportional to 39,186.88, 54,044.58 and 26,438.02 is: 36,461.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,186.88 : 54,044.58 = 26,438.02 : x
  2. Step 2: Convert to fraction form
    39,186.88/54,044.58 = 26,438.02/x
  3. Step 3: Cross multiply
    39,186.88x = 54,044.58 × 26,438.02
  4. Step 4: Simplify right side
    39,186.88x = 1,428,831,686.93
  5. Step 5: Solve for x
    x = 1,428,831,686.93/39,186.88
  6. Step 6: Final answer
    x = 36,461.99

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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.