Home / 33,341.37-45,989.42-21,385.77

Finding the Fourth Proportional to 33,341.37, 45,989.42 and 21,385.77

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Solution

The fourth proportional to 33,341.37, 45,989.42 and 21,385.77 is: 29,498.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,341.37 : 45,989.42 = 21,385.77 : x
  2. Step 2: Convert to fraction form
    33,341.37/45,989.42 = 21,385.77/x
  3. Step 3: Cross multiply
    33,341.37x = 45,989.42 × 21,385.77
  4. Step 4: Simplify right side
    33,341.37x = 983,519,051.62
  5. Step 5: Solve for x
    x = 983,519,051.62/33,341.37
  6. Step 6: Final answer
    x = 29,498.46

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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.