Home / 30,866.81-42,596.01-17,442.41

Finding the Fourth Proportional to 30,866.81, 42,596.01 and 17,442.41

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Solution

The fourth proportional to 30,866.81, 42,596.01 and 17,442.41 is: 24,070.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,866.81 : 42,596.01 = 17,442.41 : x
  2. Step 2: Convert to fraction form
    30,866.81/42,596.01 = 17,442.41/x
  3. Step 3: Cross multiply
    30,866.81x = 42,596.01 × 17,442.41
  4. Step 4: Simplify right side
    30,866.81x = 742,976,857.80
  5. Step 5: Solve for x
    x = 742,976,857.80/30,866.81
  6. Step 6: Final answer
    x = 24,070.42

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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.