Home / 53,591.74-73,955.46-30,928.96

Finding the Fourth Proportional to 53,591.74, 73,955.46 and 30,928.96

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Solution

The fourth proportional to 53,591.74, 73,955.46 and 30,928.96 is: 42,681.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,591.74 : 73,955.46 = 30,928.96 : x
  2. Step 2: Convert to fraction form
    53,591.74/73,955.46 = 30,928.96/x
  3. Step 3: Cross multiply
    53,591.74x = 73,955.46 × 30,928.96
  4. Step 4: Simplify right side
    53,591.74x = 2,287,365,464.12
  5. Step 5: Solve for x
    x = 2,287,365,464.12/53,591.74
  6. Step 6: Final answer
    x = 42,681.31

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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.