Home / 53,008.36-79,460.70-21,865.96

Finding the Fourth Proportional to 53,008.36, 79,460.70 and 21,865.96

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Solution

The fourth proportional to 53,008.36, 79,460.70 and 21,865.96 is: 32,777.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,008.36 : 79,460.70 = 21,865.96 : x
  2. Step 2: Convert to fraction form
    53,008.36/79,460.70 = 21,865.96/x
  3. Step 3: Cross multiply
    53,008.36x = 79,460.70 × 21,865.96
  4. Step 4: Simplify right side
    53,008.36x = 1,737,484,487.77
  5. Step 5: Solve for x
    x = 1,737,484,487.77/53,008.36
  6. Step 6: Final answer
    x = 32,777.56

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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.