Home / 30,328.92-41,852.88-16,899.12

Finding the Fourth Proportional to 30,328.92, 41,852.88 and 16,899.12

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Solution

The fourth proportional to 30,328.92, 41,852.88 and 16,899.12 is: 23,320.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,328.92 : 41,852.88 = 16,899.12 : x
  2. Step 2: Convert to fraction form
    30,328.92/41,852.88 = 16,899.12/x
  3. Step 3: Cross multiply
    30,328.92x = 41,852.88 × 16,899.12
  4. Step 4: Simplify right side
    30,328.92x = 707,276,841.47
  5. Step 5: Solve for x
    x = 707,276,841.47/30,328.92
  6. Step 6: Final answer
    x = 23,320.21

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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.