Home / 56,043.10-77,338.96-30,549.46

Finding the Fourth Proportional to 56,043.10, 77,338.96 and 30,549.46

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Solution

The fourth proportional to 56,043.10, 77,338.96 and 30,549.46 is: 42,157.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,043.10 : 77,338.96 = 30,549.46 : x
  2. Step 2: Convert to fraction form
    56,043.10/77,338.96 = 30,549.46/x
  3. Step 3: Cross multiply
    56,043.10x = 77,338.96 × 30,549.46
  4. Step 4: Simplify right side
    56,043.10x = 2,362,663,464.96
  5. Step 5: Solve for x
    x = 2,362,663,464.96/56,043.10
  6. Step 6: Final answer
    x = 42,157.97

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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.