Home / 29,345.08-40,495.92-15,916.64

Finding the Fourth Proportional to 29,345.08, 40,495.92 and 15,916.64

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Solution

The fourth proportional to 29,345.08, 40,495.92 and 15,916.64 is: 21,964.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,345.08 : 40,495.92 = 15,916.64 : x
  2. Step 2: Convert to fraction form
    29,345.08/40,495.92 = 15,916.64/x
  3. Step 3: Cross multiply
    29,345.08x = 40,495.92 × 15,916.64
  4. Step 4: Simplify right side
    29,345.08x = 644,558,980.11
  5. Step 5: Solve for x
    x = 644,558,980.11/29,345.08
  6. Step 6: Final answer
    x = 21,964.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.