Home / 54,630.40-81,973.68-47,282.08

Finding the Fourth Proportional to 54,630.40, 81,973.68 and 47,282.08

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Solution

The fourth proportional to 54,630.40, 81,973.68 and 47,282.08 is: 70,947.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,630.40 : 81,973.68 = 47,282.08 : x
  2. Step 2: Convert to fraction form
    54,630.40/81,973.68 = 47,282.08/x
  3. Step 3: Cross multiply
    54,630.40x = 81,973.68 × 47,282.08
  4. Step 4: Simplify right side
    54,630.40x = 3,875,886,095.65
  5. Step 5: Solve for x
    x = 3,875,886,095.65/54,630.40
  6. Step 6: Final answer
    x = 70,947.42

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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.