Home / 48,266.34-72,428.64-20,564.34

Finding the Fourth Proportional to 48,266.34, 72,428.64 and 20,564.34

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Solution

The fourth proportional to 48,266.34, 72,428.64 and 20,564.34 is: 30,858.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,266.34 : 72,428.64 = 20,564.34 : x
  2. Step 2: Convert to fraction form
    48,266.34/72,428.64 = 20,564.34/x
  3. Step 3: Cross multiply
    48,266.34x = 72,428.64 × 20,564.34
  4. Step 4: Simplify right side
    48,266.34x = 1,489,447,178.70
  5. Step 5: Solve for x
    x = 1,489,447,178.70/48,266.34
  6. Step 6: Final answer
    x = 30,858.92

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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.