Home / 55,330.12-76,362.03-31,460.38

Finding the Fourth Proportional to 55,330.12, 76,362.03 and 31,460.38

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Solution

The fourth proportional to 55,330.12, 76,362.03 and 31,460.38 is: 43,419.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,330.12 : 76,362.03 = 31,460.38 : x
  2. Step 2: Convert to fraction form
    55,330.12/76,362.03 = 31,460.38/x
  3. Step 3: Cross multiply
    55,330.12x = 76,362.03 × 31,460.38
  4. Step 4: Simplify right side
    55,330.12x = 2,402,378,481.37
  5. Step 5: Solve for x
    x = 2,402,378,481.37/55,330.12
  6. Step 6: Final answer
    x = 43,419.00

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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.