Home / 51,869.19-71,580.41-30,648.41

Finding the Fourth Proportional to 51,869.19, 71,580.41 and 30,648.41

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Solution

The fourth proportional to 51,869.19, 71,580.41 and 30,648.41 is: 42,295.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,869.19 : 71,580.41 = 30,648.41 : x
  2. Step 2: Convert to fraction form
    51,869.19/71,580.41 = 30,648.41/x
  3. Step 3: Cross multiply
    51,869.19x = 71,580.41 × 30,648.41
  4. Step 4: Simplify right side
    51,869.19x = 2,193,825,753.65
  5. Step 5: Solve for x
    x = 2,193,825,753.65/51,869.19
  6. Step 6: Final answer
    x = 42,295.35

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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.