Home / 20,564.08-30,846.30-4,981.84

Finding the Fourth Proportional to 20,564.08, 30,846.30 and 4,981.84

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Solution

The fourth proportional to 20,564.08, 30,846.30 and 4,981.84 is: 7,472.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,564.08 : 30,846.30 = 4,981.84 : x
  2. Step 2: Convert to fraction form
    20,564.08/30,846.30 = 4,981.84/x
  3. Step 3: Cross multiply
    20,564.08x = 30,846.30 × 4,981.84
  4. Step 4: Simplify right side
    20,564.08x = 153,671,331.19
  5. Step 5: Solve for x
    x = 153,671,331.19/20,564.08
  6. Step 6: Final answer
    x = 7,472.80

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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.