Home / 55,645.35-76,790.49-30,152.39

Finding the Fourth Proportional to 55,645.35, 76,790.49 and 30,152.39

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Solution

The fourth proportional to 55,645.35, 76,790.49 and 30,152.39 is: 41,610.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,645.35 : 76,790.49 = 30,152.39 : x
  2. Step 2: Convert to fraction form
    55,645.35/76,790.49 = 30,152.39/x
  3. Step 3: Cross multiply
    55,645.35x = 76,790.49 × 30,152.39
  4. Step 4: Simplify right side
    55,645.35x = 2,315,416,802.77
  5. Step 5: Solve for x
    x = 2,315,416,802.77/55,645.35
  6. Step 6: Final answer
    x = 41,610.25

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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.