Home / 45,968.83-68,951.87-12,690.92

Finding the Fourth Proportional to 45,968.83, 68,951.87 and 12,690.92

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Solution

The fourth proportional to 45,968.83, 68,951.87 and 12,690.92 is: 19,036.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,968.83 : 68,951.87 = 12,690.92 : x
  2. Step 2: Convert to fraction form
    45,968.83/68,951.87 = 12,690.92/x
  3. Step 3: Cross multiply
    45,968.83x = 68,951.87 × 12,690.92
  4. Step 4: Simplify right side
    45,968.83x = 875,062,602.57
  5. Step 5: Solve for x
    x = 875,062,602.57/45,968.83
  6. Step 6: Final answer
    x = 19,036.00

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1.5x scale

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.