Home / 56,286.40-77,674.80-33,635.20

Finding the Fourth Proportional to 56,286.40, 77,674.80 and 33,635.20

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Solution

The fourth proportional to 56,286.40, 77,674.80 and 33,635.20 is: 46,416.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,286.40 : 77,674.80 = 33,635.20 : x
  2. Step 2: Convert to fraction form
    56,286.40/77,674.80 = 33,635.20/x
  3. Step 3: Cross multiply
    56,286.40x = 77,674.80 × 33,635.20
  4. Step 4: Simplify right side
    56,286.40x = 2,612,607,432.96
  5. Step 5: Solve for x
    x = 2,612,607,432.96/56,286.40
  6. Step 6: Final answer
    x = 46,416.32

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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.