Home / 30,095.97-41,518.65-19,489.02

Finding the Fourth Proportional to 30,095.97, 41,518.65 and 19,489.02

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Solution

The fourth proportional to 30,095.97, 41,518.65 and 19,489.02 is: 26,885.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,095.97 : 41,518.65 = 19,489.02 : x
  2. Step 2: Convert to fraction form
    30,095.97/41,518.65 = 19,489.02/x
  3. Step 3: Cross multiply
    30,095.97x = 41,518.65 × 19,489.02
  4. Step 4: Simplify right side
    30,095.97x = 809,157,800.22
  5. Step 5: Solve for x
    x = 809,157,800.22/30,095.97
  6. Step 6: Final answer
    x = 26,885.92

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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.