Home / 69,585.78-104,385.48-19,666.26

Finding the Fourth Proportional to 69,585.78, 104,385.48 and 19,666.26

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Solution

The fourth proportional to 69,585.78, 104,385.48 and 19,666.26 is: 29,501.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,585.78 : 104,385.48 = 19,666.26 : x
  2. Step 2: Convert to fraction form
    69,585.78/104,385.48 = 19,666.26/x
  3. Step 3: Cross multiply
    69,585.78x = 104,385.48 × 19,666.26
  4. Step 4: Simplify right side
    69,585.78x = 2,052,871,989.90
  5. Step 5: Solve for x
    x = 2,052,871,989.90/69,585.78
  6. Step 6: Final answer
    x = 29,501.31

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1.5x scale

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.