Home / 49,886.58-74,807.85-18,699.96

Finding the Fourth Proportional to 49,886.58, 74,807.85 and 18,699.96

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Solution

The fourth proportional to 49,886.58, 74,807.85 and 18,699.96 is: 28,041.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,886.58 : 74,807.85 = 18,699.96 : x
  2. Step 2: Convert to fraction form
    49,886.58/74,807.85 = 18,699.96/x
  3. Step 3: Cross multiply
    49,886.58x = 74,807.85 × 18,699.96
  4. Step 4: Simplify right side
    49,886.58x = 1,398,903,802.69
  5. Step 5: Solve for x
    x = 1,398,903,802.69/49,886.58
  6. Step 6: Final answer
    x = 28,041.69

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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.