Home / 53,261.27-79,867.30-19,957.51

Finding the Fourth Proportional to 53,261.27, 79,867.30 and 19,957.51

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Solution

The fourth proportional to 53,261.27, 79,867.30 and 19,957.51 is: 29,927.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,261.27 : 79,867.30 = 19,957.51 : x
  2. Step 2: Convert to fraction form
    53,261.27/79,867.30 = 19,957.51/x
  3. Step 3: Cross multiply
    53,261.27x = 79,867.30 × 19,957.51
  4. Step 4: Simplify right side
    53,261.27x = 1,593,952,438.42
  5. Step 5: Solve for x
    x = 1,593,952,438.42/53,261.27
  6. Step 6: Final answer
    x = 29,927.05

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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.