Home / 33,139.80-45,726.63-19,714.46

Finding the Fourth Proportional to 33,139.80, 45,726.63 and 19,714.46

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Solution

The fourth proportional to 33,139.80, 45,726.63 and 19,714.46 is: 27,202.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,139.80 : 45,726.63 = 19,714.46 : x
  2. Step 2: Convert to fraction form
    33,139.80/45,726.63 = 19,714.46/x
  3. Step 3: Cross multiply
    33,139.80x = 45,726.63 × 19,714.46
  4. Step 4: Simplify right side
    33,139.80x = 901,475,515.51
  5. Step 5: Solve for x
    x = 901,475,515.51/33,139.80
  6. Step 6: Final answer
    x = 27,202.20

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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.