Home / 34,886.69-48,144.89-19,985.57

Finding the Fourth Proportional to 34,886.69, 48,144.89 and 19,985.57

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Solution

The fourth proportional to 34,886.69, 48,144.89 and 19,985.57 is: 27,580.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,886.69 : 48,144.89 = 19,985.57 : x
  2. Step 2: Convert to fraction form
    34,886.69/48,144.89 = 19,985.57/x
  3. Step 3: Cross multiply
    34,886.69x = 48,144.89 × 19,985.57
  4. Step 4: Simplify right side
    34,886.69x = 962,202,878.48
  5. Step 5: Solve for x
    x = 962,202,878.48/34,886.69
  6. Step 6: Final answer
    x = 27,580.81

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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.