Home / 38,135.93-52,622.06-21,140.17

Finding the Fourth Proportional to 38,135.93, 52,622.06 and 21,140.17

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Solution

The fourth proportional to 38,135.93, 52,622.06 and 21,140.17 is: 29,170.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,135.93 : 52,622.06 = 21,140.17 : x
  2. Step 2: Convert to fraction form
    38,135.93/52,622.06 = 21,140.17/x
  3. Step 3: Cross multiply
    38,135.93x = 52,622.06 × 21,140.17
  4. Step 4: Simplify right side
    38,135.93x = 1,112,439,056.89
  5. Step 5: Solve for x
    x = 1,112,439,056.89/38,135.93
  6. Step 6: Final answer
    x = 29,170.37

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.