Home / 30,563.97-42,193.02-19,238.95

Finding the Fourth Proportional to 30,563.97, 42,193.02 and 19,238.95

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Solution

The fourth proportional to 30,563.97, 42,193.02 and 19,238.95 is: 26,559.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,563.97 : 42,193.02 = 19,238.95 : x
  2. Step 2: Convert to fraction form
    30,563.97/42,193.02 = 19,238.95/x
  3. Step 3: Cross multiply
    30,563.97x = 42,193.02 × 19,238.95
  4. Step 4: Simplify right side
    30,563.97x = 811,749,402.13
  5. Step 5: Solve for x
    x = 811,749,402.13/30,563.97
  6. Step 6: Final answer
    x = 26,559.03

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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.