Home / 30,038.58-45,055.44-17,550.81

Finding the Fourth Proportional to 30,038.58, 45,055.44 and 17,550.81

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Solution

The fourth proportional to 30,038.58, 45,055.44 and 17,550.81 is: 26,324.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,038.58 : 45,055.44 = 17,550.81 : x
  2. Step 2: Convert to fraction form
    30,038.58/45,055.44 = 17,550.81/x
  3. Step 3: Cross multiply
    30,038.58x = 45,055.44 × 17,550.81
  4. Step 4: Simplify right side
    30,038.58x = 790,759,466.91
  5. Step 5: Solve for x
    x = 790,759,466.91/30,038.58
  6. Step 6: Final answer
    x = 26,324.80

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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.