Home / 53,493.36-80,237.60-20,210.86

Finding the Fourth Proportional to 53,493.36, 80,237.60 and 20,210.86

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Solution

The fourth proportional to 53,493.36, 80,237.60 and 20,210.86 is: 30,315.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,493.36 : 80,237.60 = 20,210.86 : x
  2. Step 2: Convert to fraction form
    53,493.36/80,237.60 = 20,210.86/x
  3. Step 3: Cross multiply
    53,493.36x = 80,237.60 × 20,210.86
  4. Step 4: Simplify right side
    53,493.36x = 1,621,670,900.34
  5. Step 5: Solve for x
    x = 1,621,670,900.34/53,493.36
  6. Step 6: Final answer
    x = 30,315.37

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1.5x scale

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.