Home / 53,627.96-74,017.36-30,970.64

Finding the Fourth Proportional to 53,627.96, 74,017.36 and 30,970.64

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Solution

The fourth proportional to 53,627.96, 74,017.36 and 30,970.64 is: 42,745.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,627.96 : 74,017.36 = 30,970.64 : x
  2. Step 2: Convert to fraction form
    53,627.96/74,017.36 = 30,970.64/x
  3. Step 3: Cross multiply
    53,627.96x = 74,017.36 × 30,970.64
  4. Step 4: Simplify right side
    53,627.96x = 2,292,365,010.31
  5. Step 5: Solve for x
    x = 2,292,365,010.31/53,627.96
  6. Step 6: Final answer
    x = 42,745.71

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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.