Home / 39,346.91-59,037.81-20,622.50

Finding the Fourth Proportional to 39,346.91, 59,037.81 and 20,622.50

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Solution

The fourth proportional to 39,346.91, 59,037.81 and 20,622.50 is: 30,942.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,346.91 : 59,037.81 = 20,622.50 : x
  2. Step 2: Convert to fraction form
    39,346.91/59,037.81 = 20,622.50/x
  3. Step 3: Cross multiply
    39,346.91x = 59,037.81 × 20,622.50
  4. Step 4: Simplify right side
    39,346.91x = 1,217,507,201.59
  5. Step 5: Solve for x
    x = 1,217,507,201.59/39,346.91
  6. Step 6: Final answer
    x = 30,942.89

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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.