Home / 37,131.04-51,232.02-20,998.68

Finding the Fourth Proportional to 37,131.04, 51,232.02 and 20,998.68

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Solution

The fourth proportional to 37,131.04, 51,232.02 and 20,998.68 is: 28,973.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,131.04 : 51,232.02 = 20,998.68 : x
  2. Step 2: Convert to fraction form
    37,131.04/51,232.02 = 20,998.68/x
  3. Step 3: Cross multiply
    37,131.04x = 51,232.02 × 20,998.68
  4. Step 4: Simplify right side
    37,131.04x = 1,075,804,793.73
  5. Step 5: Solve for x
    x = 1,075,804,793.73/37,131.04
  6. Step 6: Final answer
    x = 28,973.19

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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.