Home / 34,830.90-48,066.21-18,915.45

Finding the Fourth Proportional to 34,830.90, 48,066.21 and 18,915.45

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Solution

The fourth proportional to 34,830.90, 48,066.21 and 18,915.45 is: 26,103.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,830.90 : 48,066.21 = 18,915.45 : x
  2. Step 2: Convert to fraction form
    34,830.90/48,066.21 = 18,915.45/x
  3. Step 3: Cross multiply
    34,830.90x = 48,066.21 × 18,915.45
  4. Step 4: Simplify right side
    34,830.90x = 909,193,991.94
  5. Step 5: Solve for x
    x = 909,193,991.94/34,830.90
  6. Step 6: Final answer
    x = 26,103.09

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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.