Home / 51,484.40-71,048.13-28,823.28

Finding the Fourth Proportional to 51,484.40, 71,048.13 and 28,823.28

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Solution

The fourth proportional to 51,484.40, 71,048.13 and 28,823.28 is: 39,775.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,484.40 : 71,048.13 = 28,823.28 : x
  2. Step 2: Convert to fraction form
    51,484.40/71,048.13 = 28,823.28/x
  3. Step 3: Cross multiply
    51,484.40x = 71,048.13 × 28,823.28
  4. Step 4: Simplify right side
    51,484.40x = 2,047,840,144.47
  5. Step 5: Solve for x
    x = 2,047,840,144.47/51,484.40
  6. Step 6: Final answer
    x = 39,775.94

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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.