Home / 53,526.80-80,206.81-20,228.69

Finding the Fourth Proportional to 53,526.80, 80,206.81 and 20,228.69

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Solution

The fourth proportional to 53,526.80, 80,206.81 and 20,228.69 is: 30,311.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,526.80 : 80,206.81 = 20,228.69 : x
  2. Step 2: Convert to fraction form
    53,526.80/80,206.81 = 20,228.69/x
  3. Step 3: Cross multiply
    53,526.80x = 80,206.81 × 20,228.69
  4. Step 4: Simplify right side
    53,526.80x = 1,622,478,845.32
  5. Step 5: Solve for x
    x = 1,622,478,845.32/53,526.80
  6. Step 6: Final answer
    x = 30,311.52

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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.