Home / 30,530.60-45,809.08-16,487.84

Finding the Fourth Proportional to 30,530.60, 45,809.08 and 16,487.84

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Solution

The fourth proportional to 30,530.60, 45,809.08 and 16,487.84 is: 24,738.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,530.60 : 45,809.08 = 16,487.84 : x
  2. Step 2: Convert to fraction form
    30,530.60/45,809.08 = 16,487.84/x
  3. Step 3: Cross multiply
    30,530.60x = 45,809.08 × 16,487.84
  4. Step 4: Simplify right side
    30,530.60x = 755,292,781.59
  5. Step 5: Solve for x
    x = 755,292,781.59/30,530.60
  6. Step 6: Final answer
    x = 24,738.88

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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.