Home / 34,986.89-48,280.16-19,877.55

Finding the Fourth Proportional to 34,986.89, 48,280.16 and 19,877.55

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Solution

The fourth proportional to 34,986.89, 48,280.16 and 19,877.55 is: 27,430.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,986.89 : 48,280.16 = 19,877.55 : x
  2. Step 2: Convert to fraction form
    34,986.89/48,280.16 = 19,877.55/x
  3. Step 3: Cross multiply
    34,986.89x = 48,280.16 × 19,877.55
  4. Step 4: Simplify right side
    34,986.89x = 959,691,378.72
  5. Step 5: Solve for x
    x = 959,691,378.72/34,986.89
  6. Step 6: Final answer
    x = 27,430.03

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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.