Home / 30,460.73-41,994.47-21,373.75

Finding the Fourth Proportional to 30,460.73, 41,994.47 and 21,373.75

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Solution

The fourth proportional to 30,460.73, 41,994.47 and 21,373.75 is: 29,466.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,460.73 : 41,994.47 = 21,373.75 : x
  2. Step 2: Convert to fraction form
    30,460.73/41,994.47 = 21,373.75/x
  3. Step 3: Cross multiply
    30,460.73x = 41,994.47 × 21,373.75
  4. Step 4: Simplify right side
    30,460.73x = 897,579,251.61
  5. Step 5: Solve for x
    x = 897,579,251.61/30,460.73
  6. Step 6: Final answer
    x = 29,466.77

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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.