Home / 39,724.36-59,586.51-10,142.20

Finding the Fourth Proportional to 39,724.36, 59,586.51 and 10,142.20

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Solution

The fourth proportional to 39,724.36, 59,586.51 and 10,142.20 is: 15,213.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,724.36 : 59,586.51 = 10,142.20 : x
  2. Step 2: Convert to fraction form
    39,724.36/59,586.51 = 10,142.20/x
  3. Step 3: Cross multiply
    39,724.36x = 59,586.51 × 10,142.20
  4. Step 4: Simplify right side
    39,724.36x = 604,338,301.72
  5. Step 5: Solve for x
    x = 604,338,301.72/39,724.36
  6. Step 6: Final answer
    x = 15,213.29

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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.