Home / 52,183.02-71,979.80-30,947.25

Finding the Fourth Proportional to 52,183.02, 71,979.80 and 30,947.25

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Solution

The fourth proportional to 52,183.02, 71,979.80 and 30,947.25 is: 42,687.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,183.02 : 71,979.80 = 30,947.25 : x
  2. Step 2: Convert to fraction form
    52,183.02/71,979.80 = 30,947.25/x
  3. Step 3: Cross multiply
    52,183.02x = 71,979.80 × 30,947.25
  4. Step 4: Simplify right side
    52,183.02x = 2,227,576,710.81
  5. Step 5: Solve for x
    x = 2,227,576,710.81/52,183.02
  6. Step 6: Final answer
    x = 42,687.77

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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.