Home / 39,725.72-59,588.52-10,143.56

Finding the Fourth Proportional to 39,725.72, 59,588.52 and 10,143.56

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Solution

The fourth proportional to 39,725.72, 59,588.52 and 10,143.56 is: 15,215.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,725.72 : 59,588.52 = 10,143.56 : x
  2. Step 2: Convert to fraction form
    39,725.72/59,588.52 = 10,143.56/x
  3. Step 3: Cross multiply
    39,725.72x = 59,588.52 × 10,143.56
  4. Step 4: Simplify right side
    39,725.72x = 604,439,727.93
  5. Step 5: Solve for x
    x = 604,439,727.93/39,725.72
  6. Step 6: Final answer
    x = 15,215.32

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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.