Home / 58,288.43-87,423.32-20,841.53

Finding the Fourth Proportional to 58,288.43, 87,423.32 and 20,841.53

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Solution

The fourth proportional to 58,288.43, 87,423.32 and 20,841.53 is: 31,258.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,288.43 : 87,423.32 = 20,841.53 : x
  2. Step 2: Convert to fraction form
    58,288.43/87,423.32 = 20,841.53/x
  3. Step 3: Cross multiply
    58,288.43x = 87,423.32 × 20,841.53
  4. Step 4: Simplify right side
    58,288.43x = 1,822,035,361.47
  5. Step 5: Solve for x
    x = 1,822,035,361.47/58,288.43
  6. Step 6: Final answer
    x = 31,258.95

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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.