Home / 40,270.36-60,409.64-10,688.20

Finding the Fourth Proportional to 40,270.36, 60,409.64 and 10,688.20

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Solution

The fourth proportional to 40,270.36, 60,409.64 and 10,688.20 is: 16,033.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,270.36 : 60,409.64 = 10,688.20 : x
  2. Step 2: Convert to fraction form
    40,270.36/60,409.64 = 10,688.20/x
  3. Step 3: Cross multiply
    40,270.36x = 60,409.64 × 10,688.20
  4. Step 4: Simplify right side
    40,270.36x = 645,670,314.25
  5. Step 5: Solve for x
    x = 645,670,314.25/40,270.36
  6. Step 6: Final answer
    x = 16,033.39

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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.