Home / 37,621.84-51,918.60-21,709.60

Finding the Fourth Proportional to 37,621.84, 51,918.60 and 21,709.60

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Solution

The fourth proportional to 37,621.84, 51,918.60 and 21,709.60 is: 29,959.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,621.84 : 51,918.60 = 21,709.60 : x
  2. Step 2: Convert to fraction form
    37,621.84/51,918.60 = 21,709.60/x
  3. Step 3: Cross multiply
    37,621.84x = 51,918.60 × 21,709.60
  4. Step 4: Simplify right side
    37,621.84x = 1,127,132,038.56
  5. Step 5: Solve for x
    x = 1,127,132,038.56/37,621.84
  6. Step 6: Final answer
    x = 29,959.51

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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.