Home / 30,328.75-41,854.97-16,900.02

Finding the Fourth Proportional to 30,328.75, 41,854.97 and 16,900.02

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Solution

The fourth proportional to 30,328.75, 41,854.97 and 16,900.02 is: 23,322.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,328.75 : 41,854.97 = 16,900.02 : x
  2. Step 2: Convert to fraction form
    30,328.75/41,854.97 = 16,900.02/x
  3. Step 3: Cross multiply
    30,328.75x = 41,854.97 × 16,900.02
  4. Step 4: Simplify right side
    30,328.75x = 707,349,830.10
  5. Step 5: Solve for x
    x = 707,349,830.10/30,328.75
  6. Step 6: Final answer
    x = 23,322.75

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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.