Home / 55,619.36-76,754.33-30,125.15

Finding the Fourth Proportional to 55,619.36, 76,754.33 and 30,125.15

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Solution

The fourth proportional to 55,619.36, 76,754.33 and 30,125.15 is: 41,572.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,619.36 : 76,754.33 = 30,125.15 : x
  2. Step 2: Convert to fraction form
    55,619.36/76,754.33 = 30,125.15/x
  3. Step 3: Cross multiply
    55,619.36x = 76,754.33 × 30,125.15
  4. Step 4: Simplify right side
    55,619.36x = 2,312,235,170.00
  5. Step 5: Solve for x
    x = 2,312,235,170.00/55,619.36
  6. Step 6: Final answer
    x = 41,572.49

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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.