Home / 40,328.34-60,492.51-12,628.50

Finding the Fourth Proportional to 40,328.34, 60,492.51 and 12,628.50

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Solution

The fourth proportional to 40,328.34, 60,492.51 and 12,628.50 is: 18,942.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,328.34 : 60,492.51 = 12,628.50 : x
  2. Step 2: Convert to fraction form
    40,328.34/60,492.51 = 12,628.50/x
  3. Step 3: Cross multiply
    40,328.34x = 60,492.51 × 12,628.50
  4. Step 4: Simplify right side
    40,328.34x = 763,929,662.54
  5. Step 5: Solve for x
    x = 763,929,662.54/40,328.34
  6. Step 6: Final answer
    x = 18,942.75

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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.