Home / 58,284.20-87,407.76-18,831.98

Finding the Fourth Proportional to 58,284.20, 87,407.76 and 18,831.98

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Solution

The fourth proportional to 58,284.20, 87,407.76 and 18,831.98 is: 28,241.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,284.20 : 87,407.76 = 18,831.98 : x
  2. Step 2: Convert to fraction form
    58,284.20/87,407.76 = 18,831.98/x
  3. Step 3: Cross multiply
    58,284.20x = 87,407.76 × 18,831.98
  4. Step 4: Simplify right side
    58,284.20x = 1,646,061,188.16
  5. Step 5: Solve for x
    x = 1,646,061,188.16/58,284.20
  6. Step 6: Final answer
    x = 28,241.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.