Home / 55,368.53-76,408.57-30,218.03

Finding the Fourth Proportional to 55,368.53, 76,408.57 and 30,218.03

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Solution

The fourth proportional to 55,368.53, 76,408.57 and 30,218.03 is: 41,700.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,368.53 : 76,408.57 = 30,218.03 : x
  2. Step 2: Convert to fraction form
    55,368.53/76,408.57 = 30,218.03/x
  3. Step 3: Cross multiply
    55,368.53x = 76,408.57 × 30,218.03
  4. Step 4: Simplify right side
    55,368.53x = 2,308,916,402.78
  5. Step 5: Solve for x
    x = 2,308,916,402.78/55,368.53
  6. Step 6: Final answer
    x = 41,700.88

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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.