Home / 51,010.60-70,392.36-28,351.18

Finding the Fourth Proportional to 51,010.60, 70,392.36 and 28,351.18

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Solution

The fourth proportional to 51,010.60, 70,392.36 and 28,351.18 is: 39,123.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,010.60 : 70,392.36 = 28,351.18 : x
  2. Step 2: Convert to fraction form
    51,010.60/70,392.36 = 28,351.18/x
  3. Step 3: Cross multiply
    51,010.60x = 70,392.36 × 28,351.18
  4. Step 4: Simplify right side
    51,010.60x = 1,995,706,468.98
  5. Step 5: Solve for x
    x = 1,995,706,468.98/51,010.60
  6. Step 6: Final answer
    x = 39,123.37

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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.