Home / 51,641.02-77,452.21-13,690.54

Finding the Fourth Proportional to 51,641.02, 77,452.21 and 13,690.54

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Solution

The fourth proportional to 51,641.02, 77,452.21 and 13,690.54 is: 20,533.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,641.02 : 77,452.21 = 13,690.54 : x
  2. Step 2: Convert to fraction form
    51,641.02/77,452.21 = 13,690.54/x
  3. Step 3: Cross multiply
    51,641.02x = 77,452.21 × 13,690.54
  4. Step 4: Simplify right side
    51,641.02x = 1,060,362,579.09
  5. Step 5: Solve for x
    x = 1,060,362,579.09/51,641.02
  6. Step 6: Final answer
    x = 20,533.34

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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.