Home / 52,687.32-72,734.96-40,723.64

Finding the Fourth Proportional to 52,687.32, 72,734.96 and 40,723.64

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Solution

The fourth proportional to 52,687.32, 72,734.96 and 40,723.64 is: 56,219.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,687.32 : 72,734.96 = 40,723.64 : x
  2. Step 2: Convert to fraction form
    52,687.32/72,734.96 = 40,723.64/x
  3. Step 3: Cross multiply
    52,687.32x = 72,734.96 × 40,723.64
  4. Step 4: Simplify right side
    52,687.32x = 2,962,032,326.45
  5. Step 5: Solve for x
    x = 2,962,032,326.45/52,687.32
  6. Step 6: Final answer
    x = 56,219.07

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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.