Home / 33,238.86-45,869.64-18,334.86

Finding the Fourth Proportional to 33,238.86, 45,869.64 and 18,334.86

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Solution

The fourth proportional to 33,238.86, 45,869.64 and 18,334.86 is: 25,302.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,238.86 : 45,869.64 = 18,334.86 : x
  2. Step 2: Convert to fraction form
    33,238.86/45,869.64 = 18,334.86/x
  3. Step 3: Cross multiply
    33,238.86x = 45,869.64 × 18,334.86
  4. Step 4: Simplify right side
    33,238.86x = 841,013,427.65
  5. Step 5: Solve for x
    x = 841,013,427.65/33,238.86
  6. Step 6: Final answer
    x = 25,302.11

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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.