Home / 38,137.77-52,629.18-21,141.70

Finding the Fourth Proportional to 38,137.77, 52,629.18 and 21,141.70

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Solution

The fourth proportional to 38,137.77, 52,629.18 and 21,141.70 is: 29,175.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,137.77 : 52,629.18 = 21,141.70 : x
  2. Step 2: Convert to fraction form
    38,137.77/52,629.18 = 21,141.70/x
  3. Step 3: Cross multiply
    38,137.77x = 52,629.18 × 21,141.70
  4. Step 4: Simplify right side
    38,137.77x = 1,112,670,334.81
  5. Step 5: Solve for x
    x = 1,112,670,334.81/38,137.77
  6. Step 6: Final answer
    x = 29,175.02

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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.