Home / 30,597.60-45,841.68-18,567.84

Finding the Fourth Proportional to 30,597.60, 45,841.68 and 18,567.84

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Solution

The fourth proportional to 30,597.60, 45,841.68 and 18,567.84 is: 27,818.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,597.60 : 45,841.68 = 18,567.84 : x
  2. Step 2: Convert to fraction form
    30,597.60/45,841.68 = 18,567.84/x
  3. Step 3: Cross multiply
    30,597.60x = 45,841.68 × 18,567.84
  4. Step 4: Simplify right side
    30,597.60x = 851,180,979.57
  5. Step 5: Solve for x
    x = 851,180,979.57/30,597.60
  6. Step 6: Final answer
    x = 27,818.55

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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.