Home / 39,655.53-54,709.59-25,315.92

Finding the Fourth Proportional to 39,655.53, 54,709.59 and 25,315.92

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Solution

The fourth proportional to 39,655.53, 54,709.59 and 25,315.92 is: 34,926.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,655.53 : 54,709.59 = 25,315.92 : x
  2. Step 2: Convert to fraction form
    39,655.53/54,709.59 = 25,315.92/x
  3. Step 3: Cross multiply
    39,655.53x = 54,709.59 × 25,315.92
  4. Step 4: Simplify right side
    39,655.53x = 1,385,023,603.67
  5. Step 5: Solve for x
    x = 1,385,023,603.67/39,655.53
  6. Step 6: Final answer
    x = 34,926.37

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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.