Home / 39,137.71-58,654.65-21,322.67

Finding the Fourth Proportional to 39,137.71, 58,654.65 and 21,322.67

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Solution

The fourth proportional to 39,137.71, 58,654.65 and 21,322.67 is: 31,955.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,137.71 : 58,654.65 = 21,322.67 : x
  2. Step 2: Convert to fraction form
    39,137.71/58,654.65 = 21,322.67/x
  3. Step 3: Cross multiply
    39,137.71x = 58,654.65 × 21,322.67
  4. Step 4: Simplify right side
    39,137.71x = 1,250,673,745.92
  5. Step 5: Solve for x
    x = 1,250,673,745.92/39,137.71
  6. Step 6: Final answer
    x = 31,955.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.