Home / 50,345.37-69,459.31-31,218.26

Finding the Fourth Proportional to 50,345.37, 69,459.31 and 31,218.26

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Solution

The fourth proportional to 50,345.37, 69,459.31 and 31,218.26 is: 43,070.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,345.37 : 69,459.31 = 31,218.26 : x
  2. Step 2: Convert to fraction form
    50,345.37/69,459.31 = 31,218.26/x
  3. Step 3: Cross multiply
    50,345.37x = 69,459.31 × 31,218.26
  4. Step 4: Simplify right side
    50,345.37x = 2,168,398,373.66
  5. Step 5: Solve for x
    x = 2,168,398,373.66/50,345.37
  6. Step 6: Final answer
    x = 43,070.46

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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.