Home / 37,065.81-51,150.86-21,155.39

Finding the Fourth Proportional to 37,065.81, 51,150.86 and 21,155.39

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Solution

The fourth proportional to 37,065.81, 51,150.86 and 21,155.39 is: 29,194.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,065.81 : 51,150.86 = 21,155.39 : x
  2. Step 2: Convert to fraction form
    37,065.81/51,150.86 = 21,155.39/x
  3. Step 3: Cross multiply
    37,065.81x = 51,150.86 × 21,155.39
  4. Step 4: Simplify right side
    37,065.81x = 1,082,116,392.14
  5. Step 5: Solve for x
    x = 1,082,116,392.14/37,065.81
  6. Step 6: Final answer
    x = 29,194.46

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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.