Home / 35,021.30-48,330.74-19,915.34

Finding the Fourth Proportional to 35,021.30, 48,330.74 and 19,915.34

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Solution

The fourth proportional to 35,021.30, 48,330.74 and 19,915.34 is: 27,483.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,021.30 : 48,330.74 = 19,915.34 : x
  2. Step 2: Convert to fraction form
    35,021.30/48,330.74 = 19,915.34/x
  3. Step 3: Cross multiply
    35,021.30x = 48,330.74 × 19,915.34
  4. Step 4: Simplify right side
    35,021.30x = 962,522,927.69
  5. Step 5: Solve for x
    x = 962,522,927.69/35,021.30
  6. Step 6: Final answer
    x = 27,483.93

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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.