Home / 56,305.44-77,630.94-36,126.72

Finding the Fourth Proportional to 56,305.44, 77,630.94 and 36,126.72

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Solution

The fourth proportional to 56,305.44, 77,630.94 and 36,126.72 is: 49,809.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,305.44 : 77,630.94 = 36,126.72 : x
  2. Step 2: Convert to fraction form
    56,305.44/77,630.94 = 36,126.72/x
  3. Step 3: Cross multiply
    56,305.44x = 77,630.94 × 36,126.72
  4. Step 4: Simplify right side
    56,305.44x = 2,804,551,232.72
  5. Step 5: Solve for x
    x = 2,804,551,232.72/56,305.44
  6. Step 6: Final answer
    x = 49,809.60

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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.