Home / 48,628.43-72,946.40-18,657.01

Finding the Fourth Proportional to 48,628.43, 72,946.40 and 18,657.01

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Solution

The fourth proportional to 48,628.43, 72,946.40 and 18,657.01 is: 27,986.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,628.43 : 72,946.40 = 18,657.01 : x
  2. Step 2: Convert to fraction form
    48,628.43/72,946.40 = 18,657.01/x
  3. Step 3: Cross multiply
    48,628.43x = 72,946.40 × 18,657.01
  4. Step 4: Simplify right side
    48,628.43x = 1,360,961,559.47
  5. Step 5: Solve for x
    x = 1,360,961,559.47/48,628.43
  6. Step 6: Final answer
    x = 27,986.95

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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.