Home / 69,686.10-104,510.40-30,233.94

Finding the Fourth Proportional to 69,686.10, 104,510.40 and 30,233.94

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Solution

The fourth proportional to 69,686.10, 104,510.40 and 30,233.94 is: 45,342.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,686.10 : 104,510.40 = 30,233.94 : x
  2. Step 2: Convert to fraction form
    69,686.10/104,510.40 = 30,233.94/x
  3. Step 3: Cross multiply
    69,686.10x = 104,510.40 × 30,233.94
  4. Step 4: Simplify right side
    69,686.10x = 3,159,761,162.98
  5. Step 5: Solve for x
    x = 3,159,761,162.98/69,686.10
  6. Step 6: Final answer
    x = 45,342.78

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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.