Home / 53,650.08-74,040.84-30,996.72

Finding the Fourth Proportional to 53,650.08, 74,040.84 and 30,996.72

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Solution

The fourth proportional to 53,650.08, 74,040.84 and 30,996.72 is: 42,777.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,650.08 : 74,040.84 = 30,996.72 : x
  2. Step 2: Convert to fraction form
    53,650.08/74,040.84 = 30,996.72/x
  3. Step 3: Cross multiply
    53,650.08x = 74,040.84 × 30,996.72
  4. Step 4: Simplify right side
    53,650.08x = 2,295,023,186.04
  5. Step 5: Solve for x
    x = 2,295,023,186.04/53,650.08
  6. Step 6: Final answer
    x = 42,777.63

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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.