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Finding the Fourth Proportional to 51,251.98, 70,731 and 28,594.39

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Solution

The fourth proportional to 51,251.98, 70,731 and 28,594.39 is: 39,462.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,251.98 : 70,731 = 28,594.39 : x
  2. Step 2: Convert to fraction form
    51,251.98/70,731 = 28,594.39/x
  3. Step 3: Cross multiply
    51,251.98x = 70,731 × 28,594.39
  4. Step 4: Simplify right side
    51,251.98x = 2,022,509,799.09
  5. Step 5: Solve for x
    x = 2,022,509,799.09/51,251.98
  6. Step 6: Final answer
    x = 39,462.08

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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.