Home / 33,125.67-45,698.35-19,689.29

Finding the Fourth Proportional to 33,125.67, 45,698.35 and 19,689.29

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Solution

The fourth proportional to 33,125.67, 45,698.35 and 19,689.29 is: 27,162.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,125.67 : 45,698.35 = 19,689.29 : x
  2. Step 2: Convert to fraction form
    33,125.67/45,698.35 = 19,689.29/x
  3. Step 3: Cross multiply
    33,125.67x = 45,698.35 × 19,689.29
  4. Step 4: Simplify right side
    33,125.67x = 899,767,967.23
  5. Step 5: Solve for x
    x = 899,767,967.23/33,125.67
  6. Step 6: Final answer
    x = 27,162.26

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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.