Home / 40,989.09-61,483.71-11,406.93

Finding the Fourth Proportional to 40,989.09, 61,483.71 and 11,406.93

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Solution

The fourth proportional to 40,989.09, 61,483.71 and 11,406.93 is: 17,110.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,989.09 : 61,483.71 = 11,406.93 : x
  2. Step 2: Convert to fraction form
    40,989.09/61,483.71 = 11,406.93/x
  3. Step 3: Cross multiply
    40,989.09x = 61,483.71 × 11,406.93
  4. Step 4: Simplify right side
    40,989.09x = 701,340,124.16
  5. Step 5: Solve for x
    x = 701,340,124.16/40,989.09
  6. Step 6: Final answer
    x = 17,110.41

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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.