Home / 40,101.75-60,152.63-12,399.75

Finding the Fourth Proportional to 40,101.75, 60,152.63 and 12,399.75

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Solution

The fourth proportional to 40,101.75, 60,152.63 and 12,399.75 is: 18,599.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,101.75 : 60,152.63 = 12,399.75 : x
  2. Step 2: Convert to fraction form
    40,101.75/60,152.63 = 12,399.75/x
  3. Step 3: Cross multiply
    40,101.75x = 60,152.63 × 12,399.75
  4. Step 4: Simplify right side
    40,101.75x = 745,877,511.84
  5. Step 5: Solve for x
    x = 745,877,511.84/40,101.75
  6. Step 6: Final answer
    x = 18,599.63

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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.