Home / 39,725.81-59,588.66-10,143.63

Finding the Fourth Proportional to 39,725.81, 59,588.66 and 10,143.63

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Solution

The fourth proportional to 39,725.81, 59,588.66 and 10,143.63 is: 15,215.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,725.81 : 59,588.66 = 10,143.63 : x
  2. Step 2: Convert to fraction form
    39,725.81/59,588.66 = 10,143.63/x
  3. Step 3: Cross multiply
    39,725.81x = 59,588.66 × 10,143.63
  4. Step 4: Simplify right side
    39,725.81x = 604,445,344.59
  5. Step 5: Solve for x
    x = 604,445,344.59/39,725.81
  6. Step 6: Final answer
    x = 15,215.43

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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.