Home / 33,421.23-46,122.46-18,315.21

Finding the Fourth Proportional to 33,421.23, 46,122.46 and 18,315.21

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Solution

The fourth proportional to 33,421.23, 46,122.46 and 18,315.21 is: 25,275.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,421.23 : 46,122.46 = 18,315.21 : x
  2. Step 2: Convert to fraction form
    33,421.23/46,122.46 = 18,315.21/x
  3. Step 3: Cross multiply
    33,421.23x = 46,122.46 × 18,315.21
  4. Step 4: Simplify right side
    33,421.23x = 844,742,770.81
  5. Step 5: Solve for x
    x = 844,742,770.81/33,421.23
  6. Step 6: Final answer
    x = 25,275.63

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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.