Home / 58,736.41-81,056.49-31,878.96

Finding the Fourth Proportional to 58,736.41, 81,056.49 and 31,878.96

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Solution

The fourth proportional to 58,736.41, 81,056.49 and 31,878.96 is: 43,993.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,736.41 : 81,056.49 = 31,878.96 : x
  2. Step 2: Convert to fraction form
    58,736.41/81,056.49 = 31,878.96/x
  3. Step 3: Cross multiply
    58,736.41x = 81,056.49 × 31,878.96
  4. Step 4: Simplify right side
    58,736.41x = 2,583,996,602.45
  5. Step 5: Solve for x
    x = 2,583,996,602.45/58,736.41
  6. Step 6: Final answer
    x = 43,993.10

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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.