Home / 54,009.48-74,513.40-33,590.20

Finding the Fourth Proportional to 54,009.48, 74,513.40 and 33,590.20

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Solution

The fourth proportional to 54,009.48, 74,513.40 and 33,590.20 is: 46,342.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,009.48 : 74,513.40 = 33,590.20 : x
  2. Step 2: Convert to fraction form
    54,009.48/74,513.40 = 33,590.20/x
  3. Step 3: Cross multiply
    54,009.48x = 74,513.40 × 33,590.20
  4. Step 4: Simplify right side
    54,009.48x = 2,502,920,008.68
  5. Step 5: Solve for x
    x = 2,502,920,008.68/54,009.48
  6. Step 6: Final answer
    x = 46,342.23

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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.