Home / 30,852.58-42,574.10-17,425.15

Finding the Fourth Proportional to 30,852.58, 42,574.10 and 17,425.15

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Solution

The fourth proportional to 30,852.58, 42,574.10 and 17,425.15 is: 24,045.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,852.58 : 42,574.10 = 17,425.15 : x
  2. Step 2: Convert to fraction form
    30,852.58/42,574.10 = 17,425.15/x
  3. Step 3: Cross multiply
    30,852.58x = 42,574.10 × 17,425.15
  4. Step 4: Simplify right side
    30,852.58x = 741,860,078.62
  5. Step 5: Solve for x
    x = 741,860,078.62/30,852.58
  6. Step 6: Final answer
    x = 24,045.32

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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.