Home / 37,219.71-51,365.50-21,303.80

Finding the Fourth Proportional to 37,219.71, 51,365.50 and 21,303.80

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Solution

The fourth proportional to 37,219.71, 51,365.50 and 21,303.80 is: 29,400.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,219.71 : 51,365.50 = 21,303.80 : x
  2. Step 2: Convert to fraction form
    37,219.71/51,365.50 = 21,303.80/x
  3. Step 3: Cross multiply
    37,219.71x = 51,365.50 × 21,303.80
  4. Step 4: Simplify right side
    37,219.71x = 1,094,280,338.90
  5. Step 5: Solve for x
    x = 1,094,280,338.90/37,219.71
  6. Step 6: Final answer
    x = 29,400.56

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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.