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Finding the Fourth Proportional to 57,298.32, 79,071.40 and 31,804.99

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Solution

The fourth proportional to 57,298.32, 79,071.40 and 31,804.99 is: 43,890.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,298.32 : 79,071.40 = 31,804.99 : x
  2. Step 2: Convert to fraction form
    57,298.32/79,071.40 = 31,804.99/x
  3. Step 3: Cross multiply
    57,298.32x = 79,071.40 × 31,804.99
  4. Step 4: Simplify right side
    57,298.32x = 2,514,864,927.26
  5. Step 5: Solve for x
    x = 2,514,864,927.26/57,298.32
  6. Step 6: Final answer
    x = 43,890.73

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.