Home / 30,561.18-45,830.84-16,531.58

Finding the Fourth Proportional to 30,561.18, 45,830.84 and 16,531.58

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Solution

The fourth proportional to 30,561.18, 45,830.84 and 16,531.58 is: 24,791.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,561.18 : 45,830.84 = 16,531.58 : x
  2. Step 2: Convert to fraction form
    30,561.18/45,830.84 = 16,531.58/x
  3. Step 3: Cross multiply
    30,561.18x = 45,830.84 × 16,531.58
  4. Step 4: Simplify right side
    30,561.18x = 757,655,886.12
  5. Step 5: Solve for x
    x = 757,655,886.12/30,561.18
  6. Step 6: Final answer
    x = 24,791.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.