Home / 35,915.86-53,860.83-15,140.98

Finding the Fourth Proportional to 35,915.86, 53,860.83 and 15,140.98

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Solution

The fourth proportional to 35,915.86, 53,860.83 and 15,140.98 is: 22,706.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,915.86 : 53,860.83 = 15,140.98 : x
  2. Step 2: Convert to fraction form
    35,915.86/53,860.83 = 15,140.98/x
  3. Step 3: Cross multiply
    35,915.86x = 53,860.83 × 15,140.98
  4. Step 4: Simplify right side
    35,915.86x = 815,505,749.81
  5. Step 5: Solve for x
    x = 815,505,749.81/35,915.86
  6. Step 6: Final answer
    x = 22,706.01

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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.