Home / 48,907.48-73,346.40-18,916.36

Finding the Fourth Proportional to 48,907.48, 73,346.40 and 18,916.36

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Solution

The fourth proportional to 48,907.48, 73,346.40 and 18,916.36 is: 28,368.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,907.48 : 73,346.40 = 18,916.36 : x
  2. Step 2: Convert to fraction form
    48,907.48/73,346.40 = 18,916.36/x
  3. Step 3: Cross multiply
    48,907.48x = 73,346.40 × 18,916.36
  4. Step 4: Simplify right side
    48,907.48x = 1,387,446,907.10
  5. Step 5: Solve for x
    x = 1,387,446,907.10/48,907.48
  6. Step 6: Final answer
    x = 28,368.81

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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.