Home / 51,941.76-71,681.28-29,587.20

Finding the Fourth Proportional to 51,941.76, 71,681.28 and 29,587.20

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Solution

The fourth proportional to 51,941.76, 71,681.28 and 29,587.20 is: 40,831.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,941.76 : 71,681.28 = 29,587.20 : x
  2. Step 2: Convert to fraction form
    51,941.76/71,681.28 = 29,587.20/x
  3. Step 3: Cross multiply
    51,941.76x = 71,681.28 × 29,587.20
  4. Step 4: Simplify right side
    51,941.76x = 2,120,848,367.62
  5. Step 5: Solve for x
    x = 2,120,848,367.62/51,941.76
  6. Step 6: Final answer
    x = 40,831.28

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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.