Home / 35,593.12-53,381.40-13,408.72

Finding the Fourth Proportional to 35,593.12, 53,381.40 and 13,408.72

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Solution

The fourth proportional to 35,593.12, 53,381.40 and 13,408.72 is: 20,109.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,593.12 : 53,381.40 = 13,408.72 : x
  2. Step 2: Convert to fraction form
    35,593.12/53,381.40 = 13,408.72/x
  3. Step 3: Cross multiply
    35,593.12x = 53,381.40 × 13,408.72
  4. Step 4: Simplify right side
    35,593.12x = 715,776,245.81
  5. Step 5: Solve for x
    x = 715,776,245.81/35,593.12
  6. Step 6: Final answer
    x = 20,109.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.