Home / 55,114.40-76,054.47-30,914.03

Finding the Fourth Proportional to 55,114.40, 76,054.47 and 30,914.03

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Solution

The fourth proportional to 55,114.40, 76,054.47 and 30,914.03 is: 42,659.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,114.40 : 76,054.47 = 30,914.03 : x
  2. Step 2: Convert to fraction form
    55,114.40/76,054.47 = 30,914.03/x
  3. Step 3: Cross multiply
    55,114.40x = 76,054.47 × 30,914.03
  4. Step 4: Simplify right side
    55,114.40x = 2,351,150,167.21
  5. Step 5: Solve for x
    x = 2,351,150,167.21/55,114.40
  6. Step 6: Final answer
    x = 42,659.45

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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.