Home / 55,339.36-76,368.96-30,189.28

Finding the Fourth Proportional to 55,339.36, 76,368.96 and 30,189.28

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Solution

The fourth proportional to 55,339.36, 76,368.96 and 30,189.28 is: 41,661.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,339.36 : 76,368.96 = 30,189.28 : x
  2. Step 2: Convert to fraction form
    55,339.36/76,368.96 = 30,189.28/x
  3. Step 3: Cross multiply
    55,339.36x = 76,368.96 × 30,189.28
  4. Step 4: Simplify right side
    55,339.36x = 2,305,523,916.75
  5. Step 5: Solve for x
    x = 2,305,523,916.75/55,339.36
  6. Step 6: Final answer
    x = 41,661.56

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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.