Home / 39,621.30-59,434.08-10,039.38

Finding the Fourth Proportional to 39,621.30, 59,434.08 and 10,039.38

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Solution

The fourth proportional to 39,621.30, 59,434.08 and 10,039.38 is: 15,059.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,621.30 : 59,434.08 = 10,039.38 : x
  2. Step 2: Convert to fraction form
    39,621.30/59,434.08 = 10,039.38/x
  3. Step 3: Cross multiply
    39,621.30x = 59,434.08 × 10,039.38
  4. Step 4: Simplify right side
    39,621.30x = 596,681,314.07
  5. Step 5: Solve for x
    x = 596,681,314.07/39,621.30
  6. Step 6: Final answer
    x = 15,059.61

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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.