Home / 35,151.28-48,507.60-20,995.72

Finding the Fourth Proportional to 35,151.28, 48,507.60 and 20,995.72

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Solution

The fourth proportional to 35,151.28, 48,507.60 and 20,995.72 is: 28,973.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,151.28 : 48,507.60 = 20,995.72 : x
  2. Step 2: Convert to fraction form
    35,151.28/48,507.60 = 20,995.72/x
  3. Step 3: Cross multiply
    35,151.28x = 48,507.60 × 20,995.72
  4. Step 4: Simplify right side
    35,151.28x = 1,018,451,987.47
  5. Step 5: Solve for x
    x = 1,018,451,987.47/35,151.28
  6. Step 6: Final answer
    x = 28,973.40

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.