Home / 39,621.72-59,432.49-10,039.47

Finding the Fourth Proportional to 39,621.72, 59,432.49 and 10,039.47

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Solution

The fourth proportional to 39,621.72, 59,432.49 and 10,039.47 is: 15,059.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,621.72 : 59,432.49 = 10,039.47 : x
  2. Step 2: Convert to fraction form
    39,621.72/59,432.49 = 10,039.47/x
  3. Step 3: Cross multiply
    39,621.72x = 59,432.49 × 10,039.47
  4. Step 4: Simplify right side
    39,621.72x = 596,670,700.38
  5. Step 5: Solve for x
    x = 596,670,700.38/39,621.72
  6. Step 6: Final answer
    x = 15,059.18

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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.