Home / 69,638.36-104,444.18-19,706.40

Finding the Fourth Proportional to 69,638.36, 104,444.18 and 19,706.40

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Solution

The fourth proportional to 69,638.36, 104,444.18 and 19,706.40 is: 29,555.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,638.36 : 104,444.18 = 19,706.40 : x
  2. Step 2: Convert to fraction form
    69,638.36/104,444.18 = 19,706.40/x
  3. Step 3: Cross multiply
    69,638.36x = 104,444.18 × 19,706.40
  4. Step 4: Simplify right side
    69,638.36x = 2,058,218,788.75
  5. Step 5: Solve for x
    x = 2,058,218,788.75/69,638.36
  6. Step 6: Final answer
    x = 29,555.82

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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.