Home / 55,233.48-76,224.36-31,362.39

Finding the Fourth Proportional to 55,233.48, 76,224.36 and 31,362.39

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Solution

The fourth proportional to 55,233.48, 76,224.36 and 31,362.39 is: 43,281.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,233.48 : 76,224.36 = 31,362.39 : x
  2. Step 2: Convert to fraction form
    55,233.48/76,224.36 = 31,362.39/x
  3. Step 3: Cross multiply
    55,233.48x = 76,224.36 × 31,362.39
  4. Step 4: Simplify right side
    55,233.48x = 2,390,578,105.82
  5. Step 5: Solve for x
    x = 2,390,578,105.82/55,233.48
  6. Step 6: Final answer
    x = 43,281.32

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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.