Home / 30,954.84-42,720.33-17,528.46

Finding the Fourth Proportional to 30,954.84, 42,720.33 and 17,528.46

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Solution

The fourth proportional to 30,954.84, 42,720.33 and 17,528.46 is: 24,190.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,954.84 : 42,720.33 = 17,528.46 : x
  2. Step 2: Convert to fraction form
    30,954.84/42,720.33 = 17,528.46/x
  3. Step 3: Cross multiply
    30,954.84x = 42,720.33 × 17,528.46
  4. Step 4: Simplify right side
    30,954.84x = 748,821,595.59
  5. Step 5: Solve for x
    x = 748,821,595.59/30,954.84
  6. Step 6: Final answer
    x = 24,190.78

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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.