Home / 34,021.80-46,948.86-18,915.12

Finding the Fourth Proportional to 34,021.80, 46,948.86 and 18,915.12

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Solution

The fourth proportional to 34,021.80, 46,948.86 and 18,915.12 is: 26,102.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,021.80 : 46,948.86 = 18,915.12 : x
  2. Step 2: Convert to fraction form
    34,021.80/46,948.86 = 18,915.12/x
  3. Step 3: Cross multiply
    34,021.80x = 46,948.86 × 18,915.12
  4. Step 4: Simplify right side
    34,021.80x = 888,043,320.76
  5. Step 5: Solve for x
    x = 888,043,320.76/34,021.80
  6. Step 6: Final answer
    x = 26,102.19

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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.