Home / 33,386.48-46,073.36-20,811.28

Finding the Fourth Proportional to 33,386.48, 46,073.36 and 20,811.28

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Solution

The fourth proportional to 33,386.48, 46,073.36 and 20,811.28 is: 28,719.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,386.48 : 46,073.36 = 20,811.28 : x
  2. Step 2: Convert to fraction form
    33,386.48/46,073.36 = 20,811.28/x
  3. Step 3: Cross multiply
    33,386.48x = 46,073.36 × 20,811.28
  4. Step 4: Simplify right side
    33,386.48x = 958,845,595.50
  5. Step 5: Solve for x
    x = 958,845,595.50/33,386.48
  6. Step 6: Final answer
    x = 28,719.58

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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.