Home / 39,865.43-59,825.78-25,790.42

Finding the Fourth Proportional to 39,865.43, 59,825.78 and 25,790.42

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Solution

The fourth proportional to 39,865.43, 59,825.78 and 25,790.42 is: 38,703.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,865.43 : 59,825.78 = 25,790.42 : x
  2. Step 2: Convert to fraction form
    39,865.43/59,825.78 = 25,790.42/x
  3. Step 3: Cross multiply
    39,865.43x = 59,825.78 × 25,790.42
  4. Step 4: Simplify right side
    39,865.43x = 1,542,931,864.08
  5. Step 5: Solve for x
    x = 1,542,931,864.08/39,865.43
  6. Step 6: Final answer
    x = 38,703.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.