Home / 53,507.03-73,840.47-30,845.60

Finding the Fourth Proportional to 53,507.03, 73,840.47 and 30,845.60

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Solution

The fourth proportional to 53,507.03, 73,840.47 and 30,845.60 is: 42,567.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,507.03 : 73,840.47 = 30,845.60 : x
  2. Step 2: Convert to fraction form
    53,507.03/73,840.47 = 30,845.60/x
  3. Step 3: Cross multiply
    53,507.03x = 73,840.47 × 30,845.60
  4. Step 4: Simplify right side
    53,507.03x = 2,277,653,232.23
  5. Step 5: Solve for x
    x = 2,277,653,232.23/53,507.03
  6. Step 6: Final answer
    x = 42,567.37

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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.