Home / 39,221.34-58,832.60-12,572.34

Finding the Fourth Proportional to 39,221.34, 58,832.60 and 12,572.34

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Solution

The fourth proportional to 39,221.34, 58,832.60 and 12,572.34 is: 18,858.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,221.34 : 58,832.60 = 12,572.34 : x
  2. Step 2: Convert to fraction form
    39,221.34/58,832.60 = 12,572.34/x
  3. Step 3: Cross multiply
    39,221.34x = 58,832.60 × 12,572.34
  4. Step 4: Simplify right side
    39,221.34x = 739,663,450.28
  5. Step 5: Solve for x
    x = 739,663,450.28/39,221.34
  6. Step 6: Final answer
    x = 18,858.70

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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.