Home / 55,166.33-76,130.03-30,015.29

Finding the Fourth Proportional to 55,166.33, 76,130.03 and 30,015.29

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Solution

The fourth proportional to 55,166.33, 76,130.03 and 30,015.29 is: 41,421.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,166.33 : 76,130.03 = 30,015.29 : x
  2. Step 2: Convert to fraction form
    55,166.33/76,130.03 = 30,015.29/x
  3. Step 3: Cross multiply
    55,166.33x = 76,130.03 × 30,015.29
  4. Step 4: Simplify right side
    55,166.33x = 2,285,064,928.16
  5. Step 5: Solve for x
    x = 2,285,064,928.16/55,166.33
  6. Step 6: Final answer
    x = 41,421.37

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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.