Home / 47,720.56-65,884.32-30,754.48

Finding the Fourth Proportional to 47,720.56, 65,884.32 and 30,754.48

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Solution

The fourth proportional to 47,720.56, 65,884.32 and 30,754.48 is: 42,460.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,720.56 : 65,884.32 = 30,754.48 : x
  2. Step 2: Convert to fraction form
    47,720.56/65,884.32 = 30,754.48/x
  3. Step 3: Cross multiply
    47,720.56x = 65,884.32 × 30,754.48
  4. Step 4: Simplify right side
    47,720.56x = 2,026,238,001.75
  5. Step 5: Solve for x
    x = 2,026,238,001.75/47,720.56
  6. Step 6: Final answer
    x = 42,460.48

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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.