Home / 70,293.07-105,439.74-17,702.20

Finding the Fourth Proportional to 70,293.07, 105,439.74 and 17,702.20

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Solution

The fourth proportional to 70,293.07, 105,439.74 and 17,702.20 is: 26,553.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,293.07 : 105,439.74 = 17,702.20 : x
  2. Step 2: Convert to fraction form
    70,293.07/105,439.74 = 17,702.20/x
  3. Step 3: Cross multiply
    70,293.07x = 105,439.74 × 17,702.20
  4. Step 4: Simplify right side
    70,293.07x = 1,866,515,365.43
  5. Step 5: Solve for x
    x = 1,866,515,365.43/70,293.07
  6. Step 6: Final answer
    x = 26,553.33

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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.