Home / 53,878.80-74,352.87-30,005.41

Finding the Fourth Proportional to 53,878.80, 74,352.87 and 30,005.41

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Solution

The fourth proportional to 53,878.80, 74,352.87 and 30,005.41 is: 41,407.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,878.80 : 74,352.87 = 30,005.41 : x
  2. Step 2: Convert to fraction form
    53,878.80/74,352.87 = 30,005.41/x
  3. Step 3: Cross multiply
    53,878.80x = 74,352.87 × 30,005.41
  4. Step 4: Simplify right side
    53,878.80x = 2,230,988,638.26
  5. Step 5: Solve for x
    x = 2,230,988,638.26/53,878.80
  6. Step 6: Final answer
    x = 41,407.54

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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.