Home / 39,941.98-55,117.37-22,036.98

Finding the Fourth Proportional to 39,941.98, 55,117.37 and 22,036.98

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Solution

The fourth proportional to 39,941.98, 55,117.37 and 22,036.98 is: 30,409.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,941.98 : 55,117.37 = 22,036.98 : x
  2. Step 2: Convert to fraction form
    39,941.98/55,117.37 = 22,036.98/x
  3. Step 3: Cross multiply
    39,941.98x = 55,117.37 × 22,036.98
  4. Step 4: Simplify right side
    39,941.98x = 1,214,620,642.13
  5. Step 5: Solve for x
    x = 1,214,620,642.13/39,941.98
  6. Step 6: Final answer
    x = 30,409.62

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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.