Home / 69,360.66-104,038.56-19,440.36

Finding the Fourth Proportional to 69,360.66, 104,038.56 and 19,440.36

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Solution

The fourth proportional to 69,360.66, 104,038.56 and 19,440.36 is: 29,159.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,360.66 : 104,038.56 = 19,440.36 : x
  2. Step 2: Convert to fraction form
    69,360.66/104,038.56 = 19,440.36/x
  3. Step 3: Cross multiply
    69,360.66x = 104,038.56 × 19,440.36
  4. Step 4: Simplify right side
    69,360.66x = 2,022,547,060.28
  5. Step 5: Solve for x
    x = 2,022,547,060.28/69,360.66
  6. Step 6: Final answer
    x = 29,159.86

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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.