Home / 30,671.48-42,323.73-17,927.65

Finding the Fourth Proportional to 30,671.48, 42,323.73 and 17,927.65

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Solution

The fourth proportional to 30,671.48, 42,323.73 and 17,927.65 is: 24,738.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,671.48 : 42,323.73 = 17,927.65 : x
  2. Step 2: Convert to fraction form
    30,671.48/42,323.73 = 17,927.65/x
  3. Step 3: Cross multiply
    30,671.48x = 42,323.73 × 17,927.65
  4. Step 4: Simplify right side
    30,671.48x = 758,765,018.13
  5. Step 5: Solve for x
    x = 758,765,018.13/30,671.48
  6. Step 6: Final answer
    x = 24,738.45

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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.