Home / 52,811.19-72,885.57-30,153.42

Finding the Fourth Proportional to 52,811.19, 72,885.57 and 30,153.42

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Solution

The fourth proportional to 52,811.19, 72,885.57 and 30,153.42 is: 41,615.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,811.19 : 72,885.57 = 30,153.42 : x
  2. Step 2: Convert to fraction form
    52,811.19/72,885.57 = 30,153.42/x
  3. Step 3: Cross multiply
    52,811.19x = 72,885.57 × 30,153.42
  4. Step 4: Simplify right side
    52,811.19x = 2,197,749,204.15
  5. Step 5: Solve for x
    x = 2,197,749,204.15/52,811.19
  6. Step 6: Final answer
    x = 41,615.22

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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.