Home / 30,484.80-42,068.52-17,740.44

Finding the Fourth Proportional to 30,484.80, 42,068.52 and 17,740.44

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Solution

The fourth proportional to 30,484.80, 42,068.52 and 17,740.44 is: 24,481.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,484.80 : 42,068.52 = 17,740.44 : x
  2. Step 2: Convert to fraction form
    30,484.80/42,068.52 = 17,740.44/x
  3. Step 3: Cross multiply
    30,484.80x = 42,068.52 × 17,740.44
  4. Step 4: Simplify right side
    30,484.80x = 746,314,054.95
  5. Step 5: Solve for x
    x = 746,314,054.95/30,484.80
  6. Step 6: Final answer
    x = 24,481.51

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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.