Home / 33,345.37-45,994.93-21,389.77

Finding the Fourth Proportional to 33,345.37, 45,994.93 and 21,389.77

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Solution

The fourth proportional to 33,345.37, 45,994.93 and 21,389.77 is: 29,503.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,345.37 : 45,994.93 = 21,389.77 : x
  2. Step 2: Convert to fraction form
    33,345.37/45,994.93 = 21,389.77/x
  3. Step 3: Cross multiply
    33,345.37x = 45,994.93 × 21,389.77
  4. Step 4: Simplify right side
    33,345.37x = 983,820,973.87
  5. Step 5: Solve for x
    x = 983,820,973.87/33,345.37
  6. Step 6: Final answer
    x = 29,503.98

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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.