Home / 34,862.31-48,109.77-18,946.80

Finding the Fourth Proportional to 34,862.31, 48,109.77 and 18,946.80

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Solution

The fourth proportional to 34,862.31, 48,109.77 and 18,946.80 is: 26,146.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,862.31 : 48,109.77 = 18,946.80 : x
  2. Step 2: Convert to fraction form
    34,862.31/48,109.77 = 18,946.80/x
  3. Step 3: Cross multiply
    34,862.31x = 48,109.77 × 18,946.80
  4. Step 4: Simplify right side
    34,862.31x = 911,526,190.24
  5. Step 5: Solve for x
    x = 911,526,190.24/34,862.31
  6. Step 6: Final answer
    x = 26,146.47

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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.