Home / 39,807.13-59,240.83-38,478.53

Finding the Fourth Proportional to 39,807.13, 59,240.83 and 38,478.53

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Solution

The fourth proportional to 39,807.13, 59,240.83 and 38,478.53 is: 57,263.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,807.13 : 59,240.83 = 38,478.53 : x
  2. Step 2: Convert to fraction form
    39,807.13/59,240.83 = 38,478.53/x
  3. Step 3: Cross multiply
    39,807.13x = 59,240.83 × 38,478.53
  4. Step 4: Simplify right side
    39,807.13x = 2,279,500,054.38
  5. Step 5: Solve for x
    x = 2,279,500,054.38/39,807.13
  6. Step 6: Final answer
    x = 57,263.61

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.