Home / 34,830.81-48,066.35-18,915.26

Finding the Fourth Proportional to 34,830.81, 48,066.35 and 18,915.26

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Solution

The fourth proportional to 34,830.81, 48,066.35 and 18,915.26 is: 26,102.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,830.81 : 48,066.35 = 18,915.26 : x
  2. Step 2: Convert to fraction form
    34,830.81/48,066.35 = 18,915.26/x
  3. Step 3: Cross multiply
    34,830.81x = 48,066.35 × 18,915.26
  4. Step 4: Simplify right side
    34,830.81x = 909,187,172.59
  5. Step 5: Solve for x
    x = 909,187,172.59/34,830.81
  6. Step 6: Final answer
    x = 26,102.96

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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.