Home / 35,159.28-48,519.43-20,051.55

Finding the Fourth Proportional to 35,159.28, 48,519.43 and 20,051.55

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Solution

The fourth proportional to 35,159.28, 48,519.43 and 20,051.55 is: 27,670.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,159.28 : 48,519.43 = 20,051.55 : x
  2. Step 2: Convert to fraction form
    35,159.28/48,519.43 = 20,051.55/x
  3. Step 3: Cross multiply
    35,159.28x = 48,519.43 × 20,051.55
  4. Step 4: Simplify right side
    35,159.28x = 972,889,776.62
  5. Step 5: Solve for x
    x = 972,889,776.62/35,159.28
  6. Step 6: Final answer
    x = 27,670.92

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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.