Home / 30,466.19-45,684.74-17,819.51

Finding the Fourth Proportional to 30,466.19, 45,684.74 and 17,819.51

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Solution

The fourth proportional to 30,466.19, 45,684.74 and 17,819.51 is: 26,720.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,466.19 : 45,684.74 = 17,819.51 : x
  2. Step 2: Convert to fraction form
    30,466.19/45,684.74 = 17,819.51/x
  3. Step 3: Cross multiply
    30,466.19x = 45,684.74 × 17,819.51
  4. Step 4: Simplify right side
    30,466.19x = 814,079,363.76
  5. Step 5: Solve for x
    x = 814,079,363.76/30,466.19
  6. Step 6: Final answer
    x = 26,720.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.