Home / 34,915.86-52,373.89-12,729.20

Finding the Fourth Proportional to 34,915.86, 52,373.89 and 12,729.20

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Solution

The fourth proportional to 34,915.86, 52,373.89 and 12,729.20 is: 19,093.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,915.86 : 52,373.89 = 12,729.20 : x
  2. Step 2: Convert to fraction form
    34,915.86/52,373.89 = 12,729.20/x
  3. Step 3: Cross multiply
    34,915.86x = 52,373.89 × 12,729.20
  4. Step 4: Simplify right side
    34,915.86x = 666,677,769.23
  5. Step 5: Solve for x
    x = 666,677,769.23/34,915.86
  6. Step 6: Final answer
    x = 19,093.84

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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.