Home / 55,365.66-76,405.14-30,215.16

Finding the Fourth Proportional to 55,365.66, 76,405.14 and 30,215.16

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Solution

The fourth proportional to 55,365.66, 76,405.14 and 30,215.16 is: 41,697.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,365.66 : 76,405.14 = 30,215.16 : x
  2. Step 2: Convert to fraction form
    55,365.66/76,405.14 = 30,215.16/x
  3. Step 3: Cross multiply
    55,365.66x = 76,405.14 × 30,215.16
  4. Step 4: Simplify right side
    55,365.66x = 2,308,593,529.92
  5. Step 5: Solve for x
    x = 2,308,593,529.92/55,365.66
  6. Step 6: Final answer
    x = 41,697.21

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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.