Home / 54,807.16-75,633.72-30,933.76

Finding the Fourth Proportional to 54,807.16, 75,633.72 and 30,933.76

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Solution

The fourth proportional to 54,807.16, 75,633.72 and 30,933.76 is: 42,688.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,807.16 : 75,633.72 = 30,933.76 : x
  2. Step 2: Convert to fraction form
    54,807.16/75,633.72 = 30,933.76/x
  3. Step 3: Cross multiply
    54,807.16x = 75,633.72 × 30,933.76
  4. Step 4: Simplify right side
    54,807.16x = 2,339,635,342.39
  5. Step 5: Solve for x
    x = 2,339,635,342.39/54,807.16
  6. Step 6: Final answer
    x = 42,688.50

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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.