Home / 39,807.45-54,924.35-25,643.25

Finding the Fourth Proportional to 39,807.45, 54,924.35 and 25,643.25

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Solution

The fourth proportional to 39,807.45, 54,924.35 and 25,643.25 is: 35,381.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,807.45 : 54,924.35 = 25,643.25 : x
  2. Step 2: Convert to fraction form
    39,807.45/54,924.35 = 25,643.25/x
  3. Step 3: Cross multiply
    39,807.45x = 54,924.35 × 25,643.25
  4. Step 4: Simplify right side
    39,807.45x = 1,408,438,709.92
  5. Step 5: Solve for x
    x = 1,408,438,709.92/39,807.45
  6. Step 6: Final answer
    x = 35,381.28

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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.