Home / 30,943.47-42,625.46-26,391.27

Finding the Fourth Proportional to 30,943.47, 42,625.46 and 26,391.27

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Solution

The fourth proportional to 30,943.47, 42,625.46 and 26,391.27 is: 36,354.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,943.47 : 42,625.46 = 26,391.27 : x
  2. Step 2: Convert to fraction form
    30,943.47/42,625.46 = 26,391.27/x
  3. Step 3: Cross multiply
    30,943.47x = 42,625.46 × 26,391.27
  4. Step 4: Simplify right side
    30,943.47x = 1,124,939,891.78
  5. Step 5: Solve for x
    x = 1,124,939,891.78/30,943.47
  6. Step 6: Final answer
    x = 36,354.68

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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.