Home / 33,038.63-45,582.22-21,108.95

Finding the Fourth Proportional to 33,038.63, 45,582.22 and 21,108.95

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Solution

The fourth proportional to 33,038.63, 45,582.22 and 21,108.95 is: 29,123.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,038.63 : 45,582.22 = 21,108.95 : x
  2. Step 2: Convert to fraction form
    33,038.63/45,582.22 = 21,108.95/x
  3. Step 3: Cross multiply
    33,038.63x = 45,582.22 × 21,108.95
  4. Step 4: Simplify right side
    33,038.63x = 962,192,969.31
  5. Step 5: Solve for x
    x = 962,192,969.31/33,038.63
  6. Step 6: Final answer
    x = 29,123.27

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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.