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Finding the Fourth Proportional to 56,091.94, 77,374.31 and 36,974.72

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Solution

The fourth proportional to 56,091.94, 77,374.31 and 36,974.72 is: 51,003.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,091.94 : 77,374.31 = 36,974.72 : x
  2. Step 2: Convert to fraction form
    56,091.94/77,374.31 = 36,974.72/x
  3. Step 3: Cross multiply
    56,091.94x = 77,374.31 × 36,974.72
  4. Step 4: Simplify right side
    56,091.94x = 2,860,893,733.32
  5. Step 5: Solve for x
    x = 2,860,893,733.32/56,091.94
  6. Step 6: Final answer
    x = 51,003.65

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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.