Home / 48,373.74-72,588.62-20,291.28

Finding the Fourth Proportional to 48,373.74, 72,588.62 and 20,291.28

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Solution

The fourth proportional to 48,373.74, 72,588.62 and 20,291.28 is: 30,448.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,373.74 : 72,588.62 = 20,291.28 : x
  2. Step 2: Convert to fraction form
    48,373.74/72,588.62 = 20,291.28/x
  3. Step 3: Cross multiply
    48,373.74x = 72,588.62 × 20,291.28
  4. Step 4: Simplify right side
    48,373.74x = 1,472,916,013.23
  5. Step 5: Solve for x
    x = 1,472,916,013.23/48,373.74
  6. Step 6: Final answer
    x = 30,448.67

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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.