Home / 30,258.88-41,756.52-16,830.10

Finding the Fourth Proportional to 30,258.88, 41,756.52 and 16,830.10

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Solution

The fourth proportional to 30,258.88, 41,756.52 and 16,830.10 is: 23,225.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,258.88 : 41,756.52 = 16,830.10 : x
  2. Step 2: Convert to fraction form
    30,258.88/41,756.52 = 16,830.10/x
  3. Step 3: Cross multiply
    30,258.88x = 41,756.52 × 16,830.10
  4. Step 4: Simplify right side
    30,258.88x = 702,766,407.25
  5. Step 5: Solve for x
    x = 702,766,407.25/30,258.88
  6. Step 6: Final answer
    x = 23,225.13

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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.