Home / 30,945.63-42,540.77-26,622.95

Finding the Fourth Proportional to 30,945.63, 42,540.77 and 26,622.95

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Solution

The fourth proportional to 30,945.63, 42,540.77 and 26,622.95 is: 36,598.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,945.63 : 42,540.77 = 26,622.95 : x
  2. Step 2: Convert to fraction form
    30,945.63/42,540.77 = 26,622.95/x
  3. Step 3: Cross multiply
    30,945.63x = 42,540.77 × 26,622.95
  4. Step 4: Simplify right side
    30,945.63x = 1,132,560,646.53
  5. Step 5: Solve for x
    x = 1,132,560,646.53/30,945.63
  6. Step 6: Final answer
    x = 36,598.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.