Home / 30,967.62-42,736.10-17,538.68

Finding the Fourth Proportional to 30,967.62, 42,736.10 and 17,538.68

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Solution

The fourth proportional to 30,967.62, 42,736.10 and 17,538.68 is: 24,203.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,967.62 : 42,736.10 = 17,538.68 : x
  2. Step 2: Convert to fraction form
    30,967.62/42,736.10 = 17,538.68/x
  3. Step 3: Cross multiply
    30,967.62x = 42,736.10 × 17,538.68
  4. Step 4: Simplify right side
    30,967.62x = 749,534,612.51
  5. Step 5: Solve for x
    x = 749,534,612.51/30,967.62
  6. Step 6: Final answer
    x = 24,203.82

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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.