Home / 30,601.50-42,247.02-19,285.56

Finding the Fourth Proportional to 30,601.50, 42,247.02 and 19,285.56

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Solution

The fourth proportional to 30,601.50, 42,247.02 and 19,285.56 is: 26,624.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,601.50 : 42,247.02 = 19,285.56 : x
  2. Step 2: Convert to fraction form
    30,601.50/42,247.02 = 19,285.56/x
  3. Step 3: Cross multiply
    30,601.50x = 42,247.02 × 19,285.56
  4. Step 4: Simplify right side
    30,601.50x = 814,757,439.03
  5. Step 5: Solve for x
    x = 814,757,439.03/30,601.50
  6. Step 6: Final answer
    x = 26,624.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.