Home / 61,328.44-91,914.18-31,740.76

Finding the Fourth Proportional to 61,328.44, 91,914.18 and 31,740.76

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Solution

The fourth proportional to 61,328.44, 91,914.18 and 31,740.76 is: 47,570.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,328.44 : 91,914.18 = 31,740.76 : x
  2. Step 2: Convert to fraction form
    61,328.44/91,914.18 = 31,740.76/x
  3. Step 3: Cross multiply
    61,328.44x = 91,914.18 × 31,740.76
  4. Step 4: Simplify right side
    61,328.44x = 2,917,425,927.98
  5. Step 5: Solve for x
    x = 2,917,425,927.98/61,328.44
  6. Step 6: Final answer
    x = 47,570.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.