Home / 30,258.95-41,948.75-28,659.41

Finding the Fourth Proportional to 30,258.95, 41,948.75 and 28,659.41

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Solution

The fourth proportional to 30,258.95, 41,948.75 and 28,659.41 is: 39,731.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,258.95 : 41,948.75 = 28,659.41 : x
  2. Step 2: Convert to fraction form
    30,258.95/41,948.75 = 28,659.41/x
  3. Step 3: Cross multiply
    30,258.95x = 41,948.75 × 28,659.41
  4. Step 4: Simplify right side
    30,258.95x = 1,202,226,072.20
  5. Step 5: Solve for x
    x = 1,202,226,072.20/30,258.95
  6. Step 6: Final answer
    x = 39,731.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.