Home / 48,528.16-72,746.16-18,964.96

Finding the Fourth Proportional to 48,528.16, 72,746.16 and 18,964.96

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Solution

The fourth proportional to 48,528.16, 72,746.16 and 18,964.96 is: 28,429.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,528.16 : 72,746.16 = 18,964.96 : x
  2. Step 2: Convert to fraction form
    48,528.16/72,746.16 = 18,964.96/x
  3. Step 3: Cross multiply
    48,528.16x = 72,746.16 × 18,964.96
  4. Step 4: Simplify right side
    48,528.16x = 1,379,628,014.55
  5. Step 5: Solve for x
    x = 1,379,628,014.55/48,528.16
  6. Step 6: Final answer
    x = 28,429.43

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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.