Home / 19,768.30-29,652.48-4,977.22

Finding the Fourth Proportional to 19,768.30, 29,652.48 and 4,977.22

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Solution

The fourth proportional to 19,768.30, 29,652.48 and 4,977.22 is: 7,465.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,768.30 : 29,652.48 = 4,977.22 : x
  2. Step 2: Convert to fraction form
    19,768.30/29,652.48 = 4,977.22/x
  3. Step 3: Cross multiply
    19,768.30x = 29,652.48 × 4,977.22
  4. Step 4: Simplify right side
    19,768.30x = 147,586,916.51
  5. Step 5: Solve for x
    x = 147,586,916.51/19,768.30
  6. Step 6: Final answer
    x = 7,465.84

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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.