Home / 52,784.12-72,799.62-40,879.64

Finding the Fourth Proportional to 52,784.12, 72,799.62 and 40,879.64

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Solution

The fourth proportional to 52,784.12, 72,799.62 and 40,879.64 is: 56,381.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,784.12 : 72,799.62 = 40,879.64 : x
  2. Step 2: Convert to fraction form
    52,784.12/72,799.62 = 40,879.64/x
  3. Step 3: Cross multiply
    52,784.12x = 72,799.62 × 40,879.64
  4. Step 4: Simplify right side
    52,784.12x = 2,976,022,257.74
  5. Step 5: Solve for x
    x = 2,976,022,257.74/52,784.12
  6. Step 6: Final answer
    x = 56,381.01

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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.