Home / 39,867.36-55,013.76-23,101.44

Finding the Fourth Proportional to 39,867.36, 55,013.76 and 23,101.44

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Solution

The fourth proportional to 39,867.36, 55,013.76 and 23,101.44 is: 31,878.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,867.36 : 55,013.76 = 23,101.44 : x
  2. Step 2: Convert to fraction form
    39,867.36/55,013.76 = 23,101.44/x
  3. Step 3: Cross multiply
    39,867.36x = 55,013.76 × 23,101.44
  4. Step 4: Simplify right side
    39,867.36x = 1,270,897,075.81
  5. Step 5: Solve for x
    x = 1,270,897,075.81/39,867.36
  6. Step 6: Final answer
    x = 31,878.13

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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.