Home / 30,306.48-41,819.95-16,878.98

Finding the Fourth Proportional to 30,306.48, 41,819.95 and 16,878.98

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Solution

The fourth proportional to 30,306.48, 41,819.95 and 16,878.98 is: 23,291.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,306.48 : 41,819.95 = 16,878.98 : x
  2. Step 2: Convert to fraction form
    30,306.48/41,819.95 = 16,878.98/x
  3. Step 3: Cross multiply
    30,306.48x = 41,819.95 × 16,878.98
  4. Step 4: Simplify right side
    30,306.48x = 705,878,130.36
  5. Step 5: Solve for x
    x = 705,878,130.36/30,306.48
  6. Step 6: Final answer
    x = 23,291.33

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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.