Home / 53,862.08-74,329.80-29,987.60

Finding the Fourth Proportional to 53,862.08, 74,329.80 and 29,987.60

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Solution

The fourth proportional to 53,862.08, 74,329.80 and 29,987.60 is: 41,382.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,862.08 : 74,329.80 = 29,987.60 : x
  2. Step 2: Convert to fraction form
    53,862.08/74,329.80 = 29,987.60/x
  3. Step 3: Cross multiply
    53,862.08x = 74,329.80 × 29,987.60
  4. Step 4: Simplify right side
    53,862.08x = 2,228,972,310.48
  5. Step 5: Solve for x
    x = 2,228,972,310.48/53,862.08
  6. Step 6: Final answer
    x = 41,382.96

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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.