Home / 55,722.20-83,583.01-13,602.50

Finding the Fourth Proportional to 55,722.20, 83,583.01 and 13,602.50

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Solution

The fourth proportional to 55,722.20, 83,583.01 and 13,602.50 is: 20,403.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,722.20 : 83,583.01 = 13,602.50 : x
  2. Step 2: Convert to fraction form
    55,722.20/83,583.01 = 13,602.50/x
  3. Step 3: Cross multiply
    55,722.20x = 83,583.01 × 13,602.50
  4. Step 4: Simplify right side
    55,722.20x = 1,136,938,139.54
  5. Step 5: Solve for x
    x = 1,136,938,139.54/55,722.20
  6. Step 6: Final answer
    x = 20,403.68

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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.