Home / 33,012.74-45,560.02-18,865.28

Finding the Fourth Proportional to 33,012.74, 45,560.02 and 18,865.28

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Solution

The fourth proportional to 33,012.74, 45,560.02 and 18,865.28 is: 26,035.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,012.74 : 45,560.02 = 18,865.28 : x
  2. Step 2: Convert to fraction form
    33,012.74/45,560.02 = 18,865.28/x
  3. Step 3: Cross multiply
    33,012.74x = 45,560.02 × 18,865.28
  4. Step 4: Simplify right side
    33,012.74x = 859,502,534.11
  5. Step 5: Solve for x
    x = 859,502,534.11/33,012.74
  6. Step 6: Final answer
    x = 26,035.48

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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.