Home / 53,755.32-74,178.96-29,881.56

Finding the Fourth Proportional to 53,755.32, 74,178.96 and 29,881.56

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Solution

The fourth proportional to 53,755.32, 74,178.96 and 29,881.56 is: 41,234.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,755.32 : 74,178.96 = 29,881.56 : x
  2. Step 2: Convert to fraction form
    53,755.32/74,178.96 = 29,881.56/x
  3. Step 3: Cross multiply
    53,755.32x = 74,178.96 × 29,881.56
  4. Step 4: Simplify right side
    53,755.32x = 2,216,583,043.98
  5. Step 5: Solve for x
    x = 2,216,583,043.98/53,755.32
  6. Step 6: Final answer
    x = 41,234.67

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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.