Home / 53,553.39-73,886.79-30,889.34

Finding the Fourth Proportional to 53,553.39, 73,886.79 and 30,889.34

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Solution

The fourth proportional to 53,553.39, 73,886.79 and 30,889.34 is: 42,617.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,553.39 : 73,886.79 = 30,889.34 : x
  2. Step 2: Convert to fraction form
    53,553.39/73,886.79 = 30,889.34/x
  3. Step 3: Cross multiply
    53,553.39x = 73,886.79 × 30,889.34
  4. Step 4: Simplify right side
    53,553.39x = 2,282,313,838.65
  5. Step 5: Solve for x
    x = 2,282,313,838.65/53,553.39
  6. Step 6: Final answer
    x = 42,617.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.