Home / 51,437.92-70,954.80-30,213.28

Finding the Fourth Proportional to 51,437.92, 70,954.80 and 30,213.28

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Solution

The fourth proportional to 51,437.92, 70,954.80 and 30,213.28 is: 41,676.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,437.92 : 70,954.80 = 30,213.28 : x
  2. Step 2: Convert to fraction form
    51,437.92/70,954.80 = 30,213.28/x
  3. Step 3: Cross multiply
    51,437.92x = 70,954.80 × 30,213.28
  4. Step 4: Simplify right side
    51,437.92x = 2,143,777,239.74
  5. Step 5: Solve for x
    x = 2,143,777,239.74/51,437.92
  6. Step 6: Final answer
    x = 41,676.98

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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.