Home / 33,337.19-45,983.64-21,381.59

Finding the Fourth Proportional to 33,337.19, 45,983.64 and 21,381.59

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Solution

The fourth proportional to 33,337.19, 45,983.64 and 21,381.59 is: 29,492.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,337.19 : 45,983.64 = 21,381.59 : x
  2. Step 2: Convert to fraction form
    33,337.19/45,983.64 = 21,381.59/x
  3. Step 3: Cross multiply
    33,337.19x = 45,983.64 × 21,381.59
  4. Step 4: Simplify right side
    33,337.19x = 983,203,000.36
  5. Step 5: Solve for x
    x = 983,203,000.36/33,337.19
  6. Step 6: Final answer
    x = 29,492.68

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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.