Home / 30,473.82-42,106.86-25,159.32

Finding the Fourth Proportional to 30,473.82, 42,106.86 and 25,159.32

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Solution

The fourth proportional to 30,473.82, 42,106.86 and 25,159.32 is: 34,763.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,473.82 : 42,106.86 = 25,159.32 : x
  2. Step 2: Convert to fraction form
    30,473.82/42,106.86 = 25,159.32/x
  3. Step 3: Cross multiply
    30,473.82x = 42,106.86 × 25,159.32
  4. Step 4: Simplify right side
    30,473.82x = 1,059,379,964.94
  5. Step 5: Solve for x
    x = 1,059,379,964.94/30,473.82
  6. Step 6: Final answer
    x = 34,763.61

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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.