Home / 53,220.20-79,816.68-15,771.53

Finding the Fourth Proportional to 53,220.20, 79,816.68 and 15,771.53

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Solution

The fourth proportional to 53,220.20, 79,816.68 and 15,771.53 is: 23,653.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,220.20 : 79,816.68 = 15,771.53 : x
  2. Step 2: Convert to fraction form
    53,220.20/79,816.68 = 15,771.53/x
  3. Step 3: Cross multiply
    53,220.20x = 79,816.68 × 15,771.53
  4. Step 4: Simplify right side
    53,220.20x = 1,258,831,362.66
  5. Step 5: Solve for x
    x = 1,258,831,362.66/53,220.20
  6. Step 6: Final answer
    x = 23,653.26

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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.