Home / 39,379.64-54,345.27-22,384.60

Finding the Fourth Proportional to 39,379.64, 54,345.27 and 22,384.60

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Solution

The fourth proportional to 39,379.64, 54,345.27 and 22,384.60 is: 30,891.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,379.64 : 54,345.27 = 22,384.60 : x
  2. Step 2: Convert to fraction form
    39,379.64/54,345.27 = 22,384.60/x
  3. Step 3: Cross multiply
    39,379.64x = 54,345.27 × 22,384.60
  4. Step 4: Simplify right side
    39,379.64x = 1,216,496,994.98
  5. Step 5: Solve for x
    x = 1,216,496,994.98/39,379.64
  6. Step 6: Final answer
    x = 30,891.52

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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.