Home / 30,524.74-42,130.65-17,956.66

Finding the Fourth Proportional to 30,524.74, 42,130.65 and 17,956.66

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Solution

The fourth proportional to 30,524.74, 42,130.65 and 17,956.66 is: 24,784.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,524.74 : 42,130.65 = 17,956.66 : x
  2. Step 2: Convert to fraction form
    30,524.74/42,130.65 = 17,956.66/x
  3. Step 3: Cross multiply
    30,524.74x = 42,130.65 × 17,956.66
  4. Step 4: Simplify right side
    30,524.74x = 756,525,757.63
  5. Step 5: Solve for x
    x = 756,525,757.63/30,524.74
  6. Step 6: Final answer
    x = 24,784.02

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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.