Home / 20,564.01-30,845.75-4,981.77

Finding the Fourth Proportional to 20,564.01, 30,845.75 and 4,981.77

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Solution

The fourth proportional to 20,564.01, 30,845.75 and 4,981.77 is: 7,472.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,564.01 : 30,845.75 = 4,981.77 : x
  2. Step 2: Convert to fraction form
    20,564.01/30,845.75 = 4,981.77/x
  3. Step 3: Cross multiply
    20,564.01x = 30,845.75 × 4,981.77
  4. Step 4: Simplify right side
    20,564.01x = 153,666,407.07
  5. Step 5: Solve for x
    x = 153,666,407.07/20,564.01
  6. Step 6: Final answer
    x = 7,472.59

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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.