Home / 38,781.36-58,172.40-10,702.98

Finding the Fourth Proportional to 38,781.36, 58,172.40 and 10,702.98

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Solution

The fourth proportional to 38,781.36, 58,172.40 and 10,702.98 is: 16,054.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,781.36 : 58,172.40 = 10,702.98 : x
  2. Step 2: Convert to fraction form
    38,781.36/58,172.40 = 10,702.98/x
  3. Step 3: Cross multiply
    38,781.36x = 58,172.40 × 10,702.98
  4. Step 4: Simplify right side
    38,781.36x = 622,618,033.75
  5. Step 5: Solve for x
    x = 622,618,033.75/38,781.36
  6. Step 6: Final answer
    x = 16,054.57

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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.