Home / 37,155.25-51,276.95-21,239.29

Finding the Fourth Proportional to 37,155.25, 51,276.95 and 21,239.29

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Solution

The fourth proportional to 37,155.25, 51,276.95 and 21,239.29 is: 29,311.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,155.25 : 51,276.95 = 21,239.29 : x
  2. Step 2: Convert to fraction form
    37,155.25/51,276.95 = 21,239.29/x
  3. Step 3: Cross multiply
    37,155.25x = 51,276.95 × 21,239.29
  4. Step 4: Simplify right side
    37,155.25x = 1,089,086,011.37
  5. Step 5: Solve for x
    x = 1,089,086,011.37/37,155.25
  6. Step 6: Final answer
    x = 29,311.77

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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.