Home / 50,690.30-69,954.45-28,030.28

Finding the Fourth Proportional to 50,690.30, 69,954.45 and 28,030.28

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Solution

The fourth proportional to 50,690.30, 69,954.45 and 28,030.28 is: 38,682.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,690.30 : 69,954.45 = 28,030.28 : x
  2. Step 2: Convert to fraction form
    50,690.30/69,954.45 = 28,030.28/x
  3. Step 3: Cross multiply
    50,690.30x = 69,954.45 × 28,030.28
  4. Step 4: Simplify right side
    50,690.30x = 1,960,842,820.75
  5. Step 5: Solve for x
    x = 1,960,842,820.75/50,690.30
  6. Step 6: Final answer
    x = 38,682.80

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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.