Home / 51,242.34-70,714.52-28,582.80

Finding the Fourth Proportional to 51,242.34, 70,714.52 and 28,582.80

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Solution

The fourth proportional to 51,242.34, 70,714.52 and 28,582.80 is: 39,444.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,242.34 : 70,714.52 = 28,582.80 : x
  2. Step 2: Convert to fraction form
    51,242.34/70,714.52 = 28,582.80/x
  3. Step 3: Cross multiply
    51,242.34x = 70,714.52 × 28,582.80
  4. Step 4: Simplify right side
    51,242.34x = 2,021,218,839.34
  5. Step 5: Solve for x
    x = 2,021,218,839.34/51,242.34
  6. Step 6: Final answer
    x = 39,444.31

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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.