Home / 30,450.30-42,025.32-17,024.31

Finding the Fourth Proportional to 30,450.30, 42,025.32 and 17,024.31

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Solution

The fourth proportional to 30,450.30, 42,025.32 and 17,024.31 is: 23,495.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,450.30 : 42,025.32 = 17,024.31 : x
  2. Step 2: Convert to fraction form
    30,450.30/42,025.32 = 17,024.31/x
  3. Step 3: Cross multiply
    30,450.30x = 42,025.32 × 17,024.31
  4. Step 4: Simplify right side
    30,450.30x = 715,452,075.53
  5. Step 5: Solve for x
    x = 715,452,075.53/30,450.30
  6. Step 6: Final answer
    x = 23,495.73

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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.