Home / 45,416.04-68,124.24-12,136.20

Finding the Fourth Proportional to 45,416.04, 68,124.24 and 12,136.20

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Solution

The fourth proportional to 45,416.04, 68,124.24 and 12,136.20 is: 18,204.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,416.04 : 68,124.24 = 12,136.20 : x
  2. Step 2: Convert to fraction form
    45,416.04/68,124.24 = 12,136.20/x
  3. Step 3: Cross multiply
    45,416.04x = 68,124.24 × 12,136.20
  4. Step 4: Simplify right side
    45,416.04x = 826,769,401.49
  5. Step 5: Solve for x
    x = 826,769,401.49/45,416.04
  6. Step 6: Final answer
    x = 18,204.35

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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.