Home / 39,199.44-54,094.32-21,294.05

Finding the Fourth Proportional to 39,199.44, 54,094.32 and 21,294.05

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Solution

The fourth proportional to 39,199.44, 54,094.32 and 21,294.05 is: 29,385.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,199.44 : 54,094.32 = 21,294.05 : x
  2. Step 2: Convert to fraction form
    39,199.44/54,094.32 = 21,294.05/x
  3. Step 3: Cross multiply
    39,199.44x = 54,094.32 × 21,294.05
  4. Step 4: Simplify right side
    39,199.44x = 1,151,886,884.32
  5. Step 5: Solve for x
    x = 1,151,886,884.32/39,199.44
  6. Step 6: Final answer
    x = 29,385.29

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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.