Home / 55,649.79-76,795.38-30,155.07

Finding the Fourth Proportional to 55,649.79, 76,795.38 and 30,155.07

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Solution

The fourth proportional to 55,649.79, 76,795.38 and 30,155.07 is: 41,613.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,649.79 : 76,795.38 = 30,155.07 : x
  2. Step 2: Convert to fraction form
    55,649.79/76,795.38 = 30,155.07/x
  3. Step 3: Cross multiply
    55,649.79x = 76,795.38 × 30,155.07
  4. Step 4: Simplify right side
    55,649.79x = 2,315,770,059.58
  5. Step 5: Solve for x
    x = 2,315,770,059.58/55,649.79
  6. Step 6: Final answer
    x = 41,613.28

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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.