Home / 35,029.78-48,339.80-19,113.90

Finding the Fourth Proportional to 35,029.78, 48,339.80 and 19,113.90

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Solution

The fourth proportional to 35,029.78, 48,339.80 and 19,113.90 is: 26,376.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,029.78 : 48,339.80 = 19,113.90 : x
  2. Step 2: Convert to fraction form
    35,029.78/48,339.80 = 19,113.90/x
  3. Step 3: Cross multiply
    35,029.78x = 48,339.80 × 19,113.90
  4. Step 4: Simplify right side
    35,029.78x = 923,962,103.22
  5. Step 5: Solve for x
    x = 923,962,103.22/35,029.78
  6. Step 6: Final answer
    x = 26,376.47

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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.