Home / 55,330.38-76,362.36-31,460.62

Finding the Fourth Proportional to 55,330.38, 76,362.36 and 31,460.62

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Solution

The fourth proportional to 55,330.38, 76,362.36 and 31,460.62 is: 43,419.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,330.38 : 76,362.36 = 31,460.62 : x
  2. Step 2: Convert to fraction form
    55,330.38/76,362.36 = 31,460.62/x
  3. Step 3: Cross multiply
    55,330.38x = 76,362.36 × 31,460.62
  4. Step 4: Simplify right side
    55,330.38x = 2,402,407,190.26
  5. Step 5: Solve for x
    x = 2,402,407,190.26/55,330.38
  6. Step 6: Final answer
    x = 43,419.31

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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.