Home / 39,941.40-55,118.73-22,036.53

Finding the Fourth Proportional to 39,941.40, 55,118.73 and 22,036.53

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Solution

The fourth proportional to 39,941.40, 55,118.73 and 22,036.53 is: 30,410.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,941.40 : 55,118.73 = 22,036.53 : x
  2. Step 2: Convert to fraction form
    39,941.40/55,118.73 = 22,036.53/x
  3. Step 3: Cross multiply
    39,941.40x = 55,118.73 × 22,036.53
  4. Step 4: Simplify right side
    39,941.40x = 1,214,625,547.21
  5. Step 5: Solve for x
    x = 1,214,625,547.21/39,941.40
  6. Step 6: Final answer
    x = 30,410.19

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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.