Home / 53,007.75-79,461.27-19,705.14

Finding the Fourth Proportional to 53,007.75, 79,461.27 and 19,705.14

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Solution

The fourth proportional to 53,007.75, 79,461.27 and 19,705.14 is: 29,538.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,007.75 : 79,461.27 = 19,705.14 : x
  2. Step 2: Convert to fraction form
    53,007.75/79,461.27 = 19,705.14/x
  3. Step 3: Cross multiply
    53,007.75x = 79,461.27 × 19,705.14
  4. Step 4: Simplify right side
    53,007.75x = 1,565,795,449.93
  5. Step 5: Solve for x
    x = 1,565,795,449.93/53,007.75
  6. Step 6: Final answer
    x = 29,538.99

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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.