Home / 30,291.74-41,801.61-16,862.55

Finding the Fourth Proportional to 30,291.74, 41,801.61 and 16,862.55

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Solution

The fourth proportional to 30,291.74, 41,801.61 and 16,862.55 is: 23,269.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,291.74 : 41,801.61 = 16,862.55 : x
  2. Step 2: Convert to fraction form
    30,291.74/41,801.61 = 16,862.55/x
  3. Step 3: Cross multiply
    30,291.74x = 41,801.61 × 16,862.55
  4. Step 4: Simplify right side
    30,291.74x = 704,881,645.18
  5. Step 5: Solve for x
    x = 704,881,645.18/30,291.74
  6. Step 6: Final answer
    x = 23,269.77

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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.