Home / 55,423.30-76,483.66-30,272.26

Finding the Fourth Proportional to 55,423.30, 76,483.66 and 30,272.26

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Solution

The fourth proportional to 55,423.30, 76,483.66 and 30,272.26 is: 41,775.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,423.30 : 76,483.66 = 30,272.26 : x
  2. Step 2: Convert to fraction form
    55,423.30/76,483.66 = 30,272.26/x
  3. Step 3: Cross multiply
    55,423.30x = 76,483.66 × 30,272.26
  4. Step 4: Simplify right side
    55,423.30x = 2,315,333,241.27
  5. Step 5: Solve for x
    x = 2,315,333,241.27/55,423.30
  6. Step 6: Final answer
    x = 41,775.45

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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.