Home / 33,302.39-45,977.80-21,386.73

Finding the Fourth Proportional to 33,302.39, 45,977.80 and 21,386.73

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Solution

The fourth proportional to 33,302.39, 45,977.80 and 21,386.73 is: 29,526.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,302.39 : 45,977.80 = 21,386.73 : x
  2. Step 2: Convert to fraction form
    33,302.39/45,977.80 = 21,386.73/x
  3. Step 3: Cross multiply
    33,302.39x = 45,977.80 × 21,386.73
  4. Step 4: Simplify right side
    33,302.39x = 983,315,013.79
  5. Step 5: Solve for x
    x = 983,315,013.79/33,302.39
  6. Step 6: Final answer
    x = 29,526.86

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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.