Home / 39,724.46-59,586.64-10,142.30

Finding the Fourth Proportional to 39,724.46, 59,586.64 and 10,142.30

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Solution

The fourth proportional to 39,724.46, 59,586.64 and 10,142.30 is: 15,213.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,724.46 : 59,586.64 = 10,142.30 : x
  2. Step 2: Convert to fraction form
    39,724.46/59,586.64 = 10,142.30/x
  3. Step 3: Cross multiply
    39,724.46x = 59,586.64 × 10,142.30
  4. Step 4: Simplify right side
    39,724.46x = 604,345,528.16
  5. Step 5: Solve for x
    x = 604,345,528.16/39,724.46
  6. Step 6: Final answer
    x = 15,213.44

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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.