Home / 48,585.84-72,880.68-13,528.56

Finding the Fourth Proportional to 48,585.84, 72,880.68 and 13,528.56

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Solution

The fourth proportional to 48,585.84, 72,880.68 and 13,528.56 is: 20,293.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,585.84 : 72,880.68 = 13,528.56 : x
  2. Step 2: Convert to fraction form
    48,585.84/72,880.68 = 13,528.56/x
  3. Step 3: Cross multiply
    48,585.84x = 72,880.68 × 13,528.56
  4. Step 4: Simplify right side
    48,585.84x = 985,970,652.22
  5. Step 5: Solve for x
    x = 985,970,652.22/48,585.84
  6. Step 6: Final answer
    x = 20,293.37

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1.5x scale

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.