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Finding the Fourth Proportional to 60,803.54, 91,219.36 and 19,250.54

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Solution

The fourth proportional to 60,803.54, 91,219.36 and 19,250.54 is: 28,880.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,803.54 : 91,219.36 = 19,250.54 : x
  2. Step 2: Convert to fraction form
    60,803.54/91,219.36 = 19,250.54/x
  3. Step 3: Cross multiply
    60,803.54x = 91,219.36 × 19,250.54
  4. Step 4: Simplify right side
    60,803.54x = 1,756,021,938.45
  5. Step 5: Solve for x
    x = 1,756,021,938.45/60,803.54
  6. Step 6: Final answer
    x = 28,880.26

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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.