Home / 39,940.65-55,117.71-22,035.80

Finding the Fourth Proportional to 39,940.65, 55,117.71 and 22,035.80

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Solution

The fourth proportional to 39,940.65, 55,117.71 and 22,035.80 is: 30,409.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,940.65 : 55,117.71 = 22,035.80 : x
  2. Step 2: Convert to fraction form
    39,940.65/55,117.71 = 22,035.80/x
  3. Step 3: Cross multiply
    39,940.65x = 55,117.71 × 22,035.80
  4. Step 4: Simplify right side
    39,940.65x = 1,214,562,834.02
  5. Step 5: Solve for x
    x = 1,214,562,834.02/39,940.65
  6. Step 6: Final answer
    x = 30,409.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.