Home / 56,641.68-78,167.16-32,775.84

Finding the Fourth Proportional to 56,641.68, 78,167.16 and 32,775.84

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Solution

The fourth proportional to 56,641.68, 78,167.16 and 32,775.84 is: 45,231.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,641.68 : 78,167.16 = 32,775.84 : x
  2. Step 2: Convert to fraction form
    56,641.68/78,167.16 = 32,775.84/x
  3. Step 3: Cross multiply
    56,641.68x = 78,167.16 × 32,775.84
  4. Step 4: Simplify right side
    56,641.68x = 2,561,994,329.41
  5. Step 5: Solve for x
    x = 2,561,994,329.41/56,641.68
  6. Step 6: Final answer
    x = 45,231.61

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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.