Home / 30,598.44-42,225.75-17,860.38

Finding the Fourth Proportional to 30,598.44, 42,225.75 and 17,860.38

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Solution

The fourth proportional to 30,598.44, 42,225.75 and 17,860.38 is: 24,647.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,598.44 : 42,225.75 = 17,860.38 : x
  2. Step 2: Convert to fraction form
    30,598.44/42,225.75 = 17,860.38/x
  3. Step 3: Cross multiply
    30,598.44x = 42,225.75 × 17,860.38
  4. Step 4: Simplify right side
    30,598.44x = 754,167,940.79
  5. Step 5: Solve for x
    x = 754,167,940.79/30,598.44
  6. Step 6: Final answer
    x = 24,647.27

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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.