Home / 37,130.49-51,242.79-21,214.60

Finding the Fourth Proportional to 37,130.49, 51,242.79 and 21,214.60

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Solution

The fourth proportional to 37,130.49, 51,242.79 and 21,214.60 is: 29,277.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,130.49 : 51,242.79 = 21,214.60 : x
  2. Step 2: Convert to fraction form
    37,130.49/51,242.79 = 21,214.60/x
  3. Step 3: Cross multiply
    37,130.49x = 51,242.79 × 21,214.60
  4. Step 4: Simplify right side
    37,130.49x = 1,087,095,292.73
  5. Step 5: Solve for x
    x = 1,087,095,292.73/37,130.49
  6. Step 6: Final answer
    x = 29,277.70

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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.