Home / 33,630.51-46,411.30-20,890.67

Finding the Fourth Proportional to 33,630.51, 46,411.30 and 20,890.67

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Solution

The fourth proportional to 33,630.51, 46,411.30 and 20,890.67 is: 28,829.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,630.51 : 46,411.30 = 20,890.67 : x
  2. Step 2: Convert to fraction form
    33,630.51/46,411.30 = 20,890.67/x
  3. Step 3: Cross multiply
    33,630.51x = 46,411.30 × 20,890.67
  4. Step 4: Simplify right side
    33,630.51x = 969,563,152.57
  5. Step 5: Solve for x
    x = 969,563,152.57/33,630.51
  6. Step 6: Final answer
    x = 28,829.87

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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.