Home / 30,487.18-45,748.26-16,447.18

Finding the Fourth Proportional to 30,487.18, 45,748.26 and 16,447.18

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Solution

The fourth proportional to 30,487.18, 45,748.26 and 16,447.18 is: 24,680.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,487.18 : 45,748.26 = 16,447.18 : x
  2. Step 2: Convert to fraction form
    30,487.18/45,748.26 = 16,447.18/x
  3. Step 3: Cross multiply
    30,487.18x = 45,748.26 × 16,447.18
  4. Step 4: Simplify right side
    30,487.18x = 752,429,866.91
  5. Step 5: Solve for x
    x = 752,429,866.91/30,487.18
  6. Step 6: Final answer
    x = 24,680.21

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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.