Home / 48,345.84-72,519.56-13,285.28

Finding the Fourth Proportional to 48,345.84, 72,519.56 and 13,285.28

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Solution

The fourth proportional to 48,345.84, 72,519.56 and 13,285.28 is: 19,928.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,345.84 : 72,519.56 = 13,285.28 : x
  2. Step 2: Convert to fraction form
    48,345.84/72,519.56 = 13,285.28/x
  3. Step 3: Cross multiply
    48,345.84x = 72,519.56 × 13,285.28
  4. Step 4: Simplify right side
    48,345.84x = 963,442,660.08
  5. Step 5: Solve for x
    x = 963,442,660.08/48,345.84
  6. Step 6: Final answer
    x = 19,928.14

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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.