Home / 37,857.60-52,238.88-21,941.28

Finding the Fourth Proportional to 37,857.60, 52,238.88 and 21,941.28

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Solution

The fourth proportional to 37,857.60, 52,238.88 and 21,941.28 is: 30,276.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,857.60 : 52,238.88 = 21,941.28 : x
  2. Step 2: Convert to fraction form
    37,857.60/52,238.88 = 21,941.28/x
  3. Step 3: Cross multiply
    37,857.60x = 52,238.88 × 21,941.28
  4. Step 4: Simplify right side
    37,857.60x = 1,146,187,892.97
  5. Step 5: Solve for x
    x = 1,146,187,892.97/37,857.60
  6. Step 6: Final answer
    x = 30,276.30

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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.