Home / 51,667.67-77,486.02-18,383.36

Finding the Fourth Proportional to 51,667.67, 77,486.02 and 18,383.36

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Solution

The fourth proportional to 51,667.67, 77,486.02 and 18,383.36 is: 27,569.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,667.67 : 77,486.02 = 18,383.36 : x
  2. Step 2: Convert to fraction form
    51,667.67/77,486.02 = 18,383.36/x
  3. Step 3: Cross multiply
    51,667.67x = 77,486.02 × 18,383.36
  4. Step 4: Simplify right side
    51,667.67x = 1,424,452,967.24
  5. Step 5: Solve for x
    x = 1,424,452,967.24/51,667.67
  6. Step 6: Final answer
    x = 27,569.52

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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.