Home / 39,167.07-54,156.87-38,534.01

Finding the Fourth Proportional to 39,167.07, 54,156.87 and 38,534.01

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Solution

The fourth proportional to 39,167.07, 54,156.87 and 38,534.01 is: 53,281.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,167.07 : 54,156.87 = 38,534.01 : x
  2. Step 2: Convert to fraction form
    39,167.07/54,156.87 = 38,534.01/x
  3. Step 3: Cross multiply
    39,167.07x = 54,156.87 × 38,534.01
  4. Step 4: Simplify right side
    39,167.07x = 2,086,881,370.15
  5. Step 5: Solve for x
    x = 2,086,881,370.15/39,167.07
  6. Step 6: Final answer
    x = 53,281.53

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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.