Home / 30,752.06-42,425.51-18,794.63

Finding the Fourth Proportional to 30,752.06, 42,425.51 and 18,794.63

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Solution

The fourth proportional to 30,752.06, 42,425.51 and 18,794.63 is: 25,929.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,752.06 : 42,425.51 = 18,794.63 : x
  2. Step 2: Convert to fraction form
    30,752.06/42,425.51 = 18,794.63/x
  3. Step 3: Cross multiply
    30,752.06x = 42,425.51 × 18,794.63
  4. Step 4: Simplify right side
    30,752.06x = 797,371,456.91
  5. Step 5: Solve for x
    x = 797,371,456.91/30,752.06
  6. Step 6: Final answer
    x = 25,929.05

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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.