Home / 54,688.24-82,032.76-19,628.20

Finding the Fourth Proportional to 54,688.24, 82,032.76 and 19,628.20

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Solution

The fourth proportional to 54,688.24, 82,032.76 and 19,628.20 is: 29,442.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,688.24 : 82,032.76 = 19,628.20 : x
  2. Step 2: Convert to fraction form
    54,688.24/82,032.76 = 19,628.20/x
  3. Step 3: Cross multiply
    54,688.24x = 82,032.76 × 19,628.20
  4. Step 4: Simplify right side
    54,688.24x = 1,610,154,960.60
  5. Step 5: Solve for x
    x = 1,610,154,960.60/54,688.24
  6. Step 6: Final answer
    x = 29,442.44

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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.