Home / 51,873.21-71,573.63-30,641.49

Finding the Fourth Proportional to 51,873.21, 71,573.63 and 30,641.49

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Solution

The fourth proportional to 51,873.21, 71,573.63 and 30,641.49 is: 42,278.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,873.21 : 71,573.63 = 30,641.49 : x
  2. Step 2: Convert to fraction form
    51,873.21/71,573.63 = 30,641.49/x
  3. Step 3: Cross multiply
    51,873.21x = 71,573.63 × 30,641.49
  4. Step 4: Simplify right side
    51,873.21x = 2,193,122,514.70
  5. Step 5: Solve for x
    x = 2,193,122,514.70/51,873.21
  6. Step 6: Final answer
    x = 42,278.52

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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.