Home / 51,603.42-71,213.54-28,947.45

Finding the Fourth Proportional to 51,603.42, 71,213.54 and 28,947.45

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Solution

The fourth proportional to 51,603.42, 71,213.54 and 28,947.45 is: 39,947.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,603.42 : 71,213.54 = 28,947.45 : x
  2. Step 2: Convert to fraction form
    51,603.42/71,213.54 = 28,947.45/x
  3. Step 3: Cross multiply
    51,603.42x = 71,213.54 × 28,947.45
  4. Step 4: Simplify right side
    51,603.42x = 2,061,450,243.74
  5. Step 5: Solve for x
    x = 2,061,450,243.74/51,603.42
  6. Step 6: Final answer
    x = 39,947.94

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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.