Home / 30,400.74-45,616.23-17,065.44

Finding the Fourth Proportional to 30,400.74, 45,616.23 and 17,065.44

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Solution

The fourth proportional to 30,400.74, 45,616.23 and 17,065.44 is: 25,606.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,400.74 : 45,616.23 = 17,065.44 : x
  2. Step 2: Convert to fraction form
    30,400.74/45,616.23 = 17,065.44/x
  3. Step 3: Cross multiply
    30,400.74x = 45,616.23 × 17,065.44
  4. Step 4: Simplify right side
    30,400.74x = 778,461,036.09
  5. Step 5: Solve for x
    x = 778,461,036.09/30,400.74
  6. Step 6: Final answer
    x = 25,606.65

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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.