Home / 38,176.39-52,681.64-21,180.45

Finding the Fourth Proportional to 38,176.39, 52,681.64 and 21,180.45

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Solution

The fourth proportional to 38,176.39, 52,681.64 and 21,180.45 is: 29,228.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,176.39 : 52,681.64 = 21,180.45 : x
  2. Step 2: Convert to fraction form
    38,176.39/52,681.64 = 21,180.45/x
  3. Step 3: Cross multiply
    38,176.39x = 52,681.64 × 21,180.45
  4. Step 4: Simplify right side
    38,176.39x = 1,115,820,736.04
  5. Step 5: Solve for x
    x = 1,115,820,736.04/38,176.39
  6. Step 6: Final answer
    x = 29,228.03

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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.