Home / 55,039.89-75,955.05-29,889.39

Finding the Fourth Proportional to 55,039.89, 75,955.05 and 29,889.39

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Solution

The fourth proportional to 55,039.89, 75,955.05 and 29,889.39 is: 41,247.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,039.89 : 75,955.05 = 29,889.39 : x
  2. Step 2: Convert to fraction form
    55,039.89/75,955.05 = 29,889.39/x
  3. Step 3: Cross multiply
    55,039.89x = 75,955.05 × 29,889.39
  4. Step 4: Simplify right side
    55,039.89x = 2,270,250,111.92
  5. Step 5: Solve for x
    x = 2,270,250,111.92/55,039.89
  6. Step 6: Final answer
    x = 41,247.36

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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.