Home / 34,830.69-48,065.92-18,915.25

Finding the Fourth Proportional to 34,830.69, 48,065.92 and 18,915.25

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Solution

The fourth proportional to 34,830.69, 48,065.92 and 18,915.25 is: 26,102.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,830.69 : 48,065.92 = 18,915.25 : x
  2. Step 2: Convert to fraction form
    34,830.69/48,065.92 = 18,915.25/x
  3. Step 3: Cross multiply
    34,830.69x = 48,065.92 × 18,915.25
  4. Step 4: Simplify right side
    34,830.69x = 909,178,893.28
  5. Step 5: Solve for x
    x = 909,178,893.28/34,830.69
  6. Step 6: Final answer
    x = 26,102.81

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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.