Home / 39,403.52-59,122.63-20,679.05

Finding the Fourth Proportional to 39,403.52, 59,122.63 and 20,679.05

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Solution

The fourth proportional to 39,403.52, 59,122.63 and 20,679.05 is: 31,027.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,403.52 : 59,122.63 = 20,679.05 : x
  2. Step 2: Convert to fraction form
    39,403.52/59,122.63 = 20,679.05/x
  3. Step 3: Cross multiply
    39,403.52x = 59,122.63 × 20,679.05
  4. Step 4: Simplify right side
    39,403.52x = 1,222,599,662.99
  5. Step 5: Solve for x
    x = 1,222,599,662.99/39,403.52
  6. Step 6: Final answer
    x = 31,027.67

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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.