Home / 37,906.76-52,307.70-21,140.84

Finding the Fourth Proportional to 37,906.76, 52,307.70 and 21,140.84

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Solution

The fourth proportional to 37,906.76, 52,307.70 and 21,140.84 is: 29,172.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,906.76 : 52,307.70 = 21,140.84 : x
  2. Step 2: Convert to fraction form
    37,906.76/52,307.70 = 21,140.84/x
  3. Step 3: Cross multiply
    37,906.76x = 52,307.70 × 21,140.84
  4. Step 4: Simplify right side
    37,906.76x = 1,105,828,716.47
  5. Step 5: Solve for x
    x = 1,105,828,716.47/37,906.76
  6. Step 6: Final answer
    x = 29,172.34

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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.