Home / 48,019.63-72,029.46-12,959.29

Finding the Fourth Proportional to 48,019.63, 72,029.46 and 12,959.29

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Solution

The fourth proportional to 48,019.63, 72,029.46 and 12,959.29 is: 19,438.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,019.63 : 72,029.46 = 12,959.29 : x
  2. Step 2: Convert to fraction form
    48,019.63/72,029.46 = 12,959.29/x
  3. Step 3: Cross multiply
    48,019.63x = 72,029.46 × 12,959.29
  4. Step 4: Simplify right side
    48,019.63x = 933,450,300.54
  5. Step 5: Solve for x
    x = 933,450,300.54/48,019.63
  6. Step 6: Final answer
    x = 19,438.93

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Similar ratio
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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.