Home / 54,454.82-75,147.20-30,580.98

Finding the Fourth Proportional to 54,454.82, 75,147.20 and 30,580.98

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Solution

The fourth proportional to 54,454.82, 75,147.20 and 30,580.98 is: 42,201.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,454.82 : 75,147.20 = 30,580.98 : x
  2. Step 2: Convert to fraction form
    54,454.82/75,147.20 = 30,580.98/x
  3. Step 3: Cross multiply
    54,454.82x = 75,147.20 × 30,580.98
  4. Step 4: Simplify right side
    54,454.82x = 2,298,075,038.76
  5. Step 5: Solve for x
    x = 2,298,075,038.76/54,454.82
  6. Step 6: Final answer
    x = 42,201.50

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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.