Home / 39,325.32-54,269.01-21,420.27

Finding the Fourth Proportional to 39,325.32, 54,269.01 and 21,420.27

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Solution

The fourth proportional to 39,325.32, 54,269.01 and 21,420.27 is: 29,560.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,325.32 : 54,269.01 = 21,420.27 : x
  2. Step 2: Convert to fraction form
    39,325.32/54,269.01 = 21,420.27/x
  3. Step 3: Cross multiply
    39,325.32x = 54,269.01 × 21,420.27
  4. Step 4: Simplify right side
    39,325.32x = 1,162,456,846.83
  5. Step 5: Solve for x
    x = 1,162,456,846.83/39,325.32
  6. Step 6: Final answer
    x = 29,560.01

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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.