Home / 52,130.23-71,939.78-28,256.89

Finding the Fourth Proportional to 52,130.23, 71,939.78 and 28,256.89

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Solution

The fourth proportional to 52,130.23, 71,939.78 and 28,256.89 is: 38,994.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,130.23 : 71,939.78 = 28,256.89 : x
  2. Step 2: Convert to fraction form
    52,130.23/71,939.78 = 28,256.89/x
  3. Step 3: Cross multiply
    52,130.23x = 71,939.78 × 28,256.89
  4. Step 4: Simplify right side
    52,130.23x = 2,032,794,450.08
  5. Step 5: Solve for x
    x = 2,032,794,450.08/52,130.23
  6. Step 6: Final answer
    x = 38,994.54

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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.