Home / 50,541.90-69,746.31-28,185.90

Finding the Fourth Proportional to 50,541.90, 69,746.31 and 28,185.90

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Solution

The fourth proportional to 50,541.90, 69,746.31 and 28,185.90 is: 38,895.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,541.90 : 69,746.31 = 28,185.90 : x
  2. Step 2: Convert to fraction form
    50,541.90/69,746.31 = 28,185.90/x
  3. Step 3: Cross multiply
    50,541.90x = 69,746.31 × 28,185.90
  4. Step 4: Simplify right side
    50,541.90x = 1,965,862,519.03
  5. Step 5: Solve for x
    x = 1,965,862,519.03/50,541.90
  6. Step 6: Final answer
    x = 38,895.70

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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.