Home / 37,153.60-51,271.97-21,238.40

Finding the Fourth Proportional to 37,153.60, 51,271.97 and 21,238.40

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Solution

The fourth proportional to 37,153.60, 51,271.97 and 21,238.40 is: 29,309.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,153.60 : 51,271.97 = 21,238.40 : x
  2. Step 2: Convert to fraction form
    37,153.60/51,271.97 = 21,238.40/x
  3. Step 3: Cross multiply
    37,153.60x = 51,271.97 × 21,238.40
  4. Step 4: Simplify right side
    37,153.60x = 1,088,934,629.64
  5. Step 5: Solve for x
    x = 1,088,934,629.64/37,153.60
  6. Step 6: Final answer
    x = 29,309.00

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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.