Home / 74,588.32-111,882.48-19,180

Finding the Fourth Proportional to 74,588.32, 111,882.48 and 19,180

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Solution

The fourth proportional to 74,588.32, 111,882.48 and 19,180 is: 28,770.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,588.32 : 111,882.48 = 19,180 : x
  2. Step 2: Convert to fraction form
    74,588.32/111,882.48 = 19,180/x
  3. Step 3: Cross multiply
    74,588.32x = 111,882.48 × 19,180
  4. Step 4: Simplify right side
    74,588.32x = 2,145,905,966.40
  5. Step 5: Solve for x
    x = 2,145,905,966.40/74,588.32
  6. Step 6: Final answer
    x = 28,770.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.