Home / 51,375.09-70,896.54-28,713.45

Finding the Fourth Proportional to 51,375.09, 70,896.54 and 28,713.45

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Solution

The fourth proportional to 51,375.09, 70,896.54 and 28,713.45 is: 39,623.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,375.09 : 70,896.54 = 28,713.45 : x
  2. Step 2: Convert to fraction form
    51,375.09/70,896.54 = 28,713.45/x
  3. Step 3: Cross multiply
    51,375.09x = 70,896.54 × 28,713.45
  4. Step 4: Simplify right side
    51,375.09x = 2,035,684,256.46
  5. Step 5: Solve for x
    x = 2,035,684,256.46/51,375.09
  6. Step 6: Final answer
    x = 39,623.96

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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.