Home / 51,009.86-70,393.65-28,350.98

Finding the Fourth Proportional to 51,009.86, 70,393.65 and 28,350.98

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Solution

The fourth proportional to 51,009.86, 70,393.65 and 28,350.98 is: 39,124.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,009.86 : 70,393.65 = 28,350.98 : x
  2. Step 2: Convert to fraction form
    51,009.86/70,393.65 = 28,350.98/x
  3. Step 3: Cross multiply
    51,009.86x = 70,393.65 × 28,350.98
  4. Step 4: Simplify right side
    51,009.86x = 1,995,728,611.31
  5. Step 5: Solve for x
    x = 1,995,728,611.31/51,009.86
  6. Step 6: Final answer
    x = 39,124.37

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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.