Home / 48,617.42-72,916.81-20,528.24

Finding the Fourth Proportional to 48,617.42, 72,916.81 and 20,528.24

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Solution

The fourth proportional to 48,617.42, 72,916.81 and 20,528.24 is: 30,788.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,617.42 : 72,916.81 = 20,528.24 : x
  2. Step 2: Convert to fraction form
    48,617.42/72,916.81 = 20,528.24/x
  3. Step 3: Cross multiply
    48,617.42x = 72,916.81 × 20,528.24
  4. Step 4: Simplify right side
    48,617.42x = 1,496,853,359.81
  5. Step 5: Solve for x
    x = 1,496,853,359.81/48,617.42
  6. Step 6: Final answer
    x = 30,788.42

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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.