Home / 37,458.12-51,693.78-21,542.58

Finding the Fourth Proportional to 37,458.12, 51,693.78 and 21,542.58

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Solution

The fourth proportional to 37,458.12, 51,693.78 and 21,542.58 is: 29,729.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,458.12 : 51,693.78 = 21,542.58 : x
  2. Step 2: Convert to fraction form
    37,458.12/51,693.78 = 21,542.58/x
  3. Step 3: Cross multiply
    37,458.12x = 51,693.78 × 21,542.58
  4. Step 4: Simplify right side
    37,458.12x = 1,113,617,585.00
  5. Step 5: Solve for x
    x = 1,113,617,585.00/37,458.12
  6. Step 6: Final answer
    x = 29,729.67

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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.