Home / 33,423.77-46,123.48-19,987.02

Finding the Fourth Proportional to 33,423.77, 46,123.48 and 19,987.02

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Solution

The fourth proportional to 33,423.77, 46,123.48 and 19,987.02 is: 27,581.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,423.77 : 46,123.48 = 19,987.02 : x
  2. Step 2: Convert to fraction form
    33,423.77/46,123.48 = 19,987.02/x
  3. Step 3: Cross multiply
    33,423.77x = 46,123.48 × 19,987.02
  4. Step 4: Simplify right side
    33,423.77x = 921,870,917.23
  5. Step 5: Solve for x
    x = 921,870,917.23/33,423.77
  6. Step 6: Final answer
    x = 27,581.30

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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.