Home / 48,971.16-73,484.43-20,888.55

Finding the Fourth Proportional to 48,971.16, 73,484.43 and 20,888.55

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Solution

The fourth proportional to 48,971.16, 73,484.43 and 20,888.55 is: 31,344.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,971.16 : 73,484.43 = 20,888.55 : x
  2. Step 2: Convert to fraction form
    48,971.16/73,484.43 = 20,888.55/x
  3. Step 3: Cross multiply
    48,971.16x = 73,484.43 × 20,888.55
  4. Step 4: Simplify right side
    48,971.16x = 1,534,983,190.28
  5. Step 5: Solve for x
    x = 1,534,983,190.28/48,971.16
  6. Step 6: Final answer
    x = 31,344.64

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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.