Home / 56,690.94-85,036.40-40,249.49

Finding the Fourth Proportional to 56,690.94, 85,036.40 and 40,249.49

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Solution

The fourth proportional to 56,690.94, 85,036.40 and 40,249.49 is: 60,374.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,690.94 : 85,036.40 = 40,249.49 : x
  2. Step 2: Convert to fraction form
    56,690.94/85,036.40 = 40,249.49/x
  3. Step 3: Cross multiply
    56,690.94x = 85,036.40 × 40,249.49
  4. Step 4: Simplify right side
    56,690.94x = 3,422,671,105.01
  5. Step 5: Solve for x
    x = 3,422,671,105.01/56,690.94
  6. Step 6: Final answer
    x = 60,374.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.