Home / 33,165.51-45,798.80-21,069.89

Finding the Fourth Proportional to 33,165.51, 45,798.80 and 21,069.89

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Solution

The fourth proportional to 33,165.51, 45,798.80 and 21,069.89 is: 29,095.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,165.51 : 45,798.80 = 21,069.89 : x
  2. Step 2: Convert to fraction form
    33,165.51/45,798.80 = 21,069.89/x
  3. Step 3: Cross multiply
    33,165.51x = 45,798.80 × 21,069.89
  4. Step 4: Simplify right side
    33,165.51x = 964,975,678.13
  5. Step 5: Solve for x
    x = 964,975,678.13/33,165.51
  6. Step 6: Final answer
    x = 29,095.76

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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.