Home / 53,886.18-74,365.22-30,012.85

Finding the Fourth Proportional to 53,886.18, 74,365.22 and 30,012.85

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Solution

The fourth proportional to 53,886.18, 74,365.22 and 30,012.85 is: 41,419.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,886.18 : 74,365.22 = 30,012.85 : x
  2. Step 2: Convert to fraction form
    53,886.18/74,365.22 = 30,012.85/x
  3. Step 3: Cross multiply
    53,886.18x = 74,365.22 × 30,012.85
  4. Step 4: Simplify right side
    53,886.18x = 2,231,912,193.08
  5. Step 5: Solve for x
    x = 2,231,912,193.08/53,886.18
  6. Step 6: Final answer
    x = 41,419.01

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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.