Home / 37,549.06-51,830.64-21,639.84

Finding the Fourth Proportional to 37,549.06, 51,830.64 and 21,639.84

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Solution

The fourth proportional to 37,549.06, 51,830.64 and 21,639.84 is: 29,870.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,549.06 : 51,830.64 = 21,639.84 : x
  2. Step 2: Convert to fraction form
    37,549.06/51,830.64 = 21,639.84/x
  3. Step 3: Cross multiply
    37,549.06x = 51,830.64 × 21,639.84
  4. Step 4: Simplify right side
    37,549.06x = 1,121,606,756.70
  5. Step 5: Solve for x
    x = 1,121,606,756.70/37,549.06
  6. Step 6: Final answer
    x = 29,870.44

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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.