Home / 49,373.61-74,071.38-19,390.74

Finding the Fourth Proportional to 49,373.61, 74,071.38 and 19,390.74

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Solution

The fourth proportional to 49,373.61, 74,071.38 and 19,390.74 is: 29,090.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,373.61 : 74,071.38 = 19,390.74 : x
  2. Step 2: Convert to fraction form
    49,373.61/74,071.38 = 19,390.74/x
  3. Step 3: Cross multiply
    49,373.61x = 74,071.38 × 19,390.74
  4. Step 4: Simplify right side
    49,373.61x = 1,436,298,871.02
  5. Step 5: Solve for x
    x = 1,436,298,871.02/49,373.61
  6. Step 6: Final answer
    x = 29,090.42

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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.