Home / 37,542.02-51,819.51-21,637.05

Finding the Fourth Proportional to 37,542.02, 51,819.51 and 21,637.05

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Solution

The fourth proportional to 37,542.02, 51,819.51 and 21,637.05 is: 29,865.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,542.02 : 51,819.51 = 21,637.05 : x
  2. Step 2: Convert to fraction form
    37,542.02/51,819.51 = 21,637.05/x
  3. Step 3: Cross multiply
    37,542.02x = 51,819.51 × 21,637.05
  4. Step 4: Simplify right side
    37,542.02x = 1,121,221,328.85
  5. Step 5: Solve for x
    x = 1,121,221,328.85/37,542.02
  6. Step 6: Final answer
    x = 29,865.77

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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.