Home / 39,655.54-54,709.58-25,315.90

Finding the Fourth Proportional to 39,655.54, 54,709.58 and 25,315.90

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Solution

The fourth proportional to 39,655.54, 54,709.58 and 25,315.90 is: 34,926.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,655.54 : 54,709.58 = 25,315.90 : x
  2. Step 2: Convert to fraction form
    39,655.54/54,709.58 = 25,315.90/x
  3. Step 3: Cross multiply
    39,655.54x = 54,709.58 × 25,315.90
  4. Step 4: Simplify right side
    39,655.54x = 1,385,022,256.32
  5. Step 5: Solve for x
    x = 1,385,022,256.32/39,655.54
  6. Step 6: Final answer
    x = 34,926.32

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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.