Home / 51,425.70-70,966.86-28,764.34

Finding the Fourth Proportional to 51,425.70, 70,966.86 and 28,764.34

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Solution

The fourth proportional to 51,425.70, 70,966.86 and 28,764.34 is: 39,694.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,425.70 : 70,966.86 = 28,764.34 : x
  2. Step 2: Convert to fraction form
    51,425.70/70,966.86 = 28,764.34/x
  3. Step 3: Cross multiply
    51,425.70x = 70,966.86 × 28,764.34
  4. Step 4: Simplify right side
    51,425.70x = 2,041,314,889.77
  5. Step 5: Solve for x
    x = 2,041,314,889.77/51,425.70
  6. Step 6: Final answer
    x = 39,694.45

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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.