Home / 30,484.16-42,069.77-17,054.61

Finding the Fourth Proportional to 30,484.16, 42,069.77 and 17,054.61

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Solution

The fourth proportional to 30,484.16, 42,069.77 and 17,054.61 is: 23,536.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,484.16 : 42,069.77 = 17,054.61 : x
  2. Step 2: Convert to fraction form
    30,484.16/42,069.77 = 17,054.61/x
  3. Step 3: Cross multiply
    30,484.16x = 42,069.77 × 17,054.61
  4. Step 4: Simplify right side
    30,484.16x = 717,483,520.14
  5. Step 5: Solve for x
    x = 717,483,520.14/30,484.16
  6. Step 6: Final answer
    x = 23,536.28

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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.