Home / 39,646.17-54,729.18-27,756.18

Finding the Fourth Proportional to 39,646.17, 54,729.18 and 27,756.18

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Solution

The fourth proportional to 39,646.17, 54,729.18 and 27,756.18 is: 38,315.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,646.17 : 54,729.18 = 27,756.18 : x
  2. Step 2: Convert to fraction form
    39,646.17/54,729.18 = 27,756.18/x
  3. Step 3: Cross multiply
    39,646.17x = 54,729.18 × 27,756.18
  4. Step 4: Simplify right side
    39,646.17x = 1,519,072,971.33
  5. Step 5: Solve for x
    x = 1,519,072,971.33/39,646.17
  6. Step 6: Final answer
    x = 38,315.76

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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.