Home / 50,389.68-69,539.40-27,730.30

Finding the Fourth Proportional to 50,389.68, 69,539.40 and 27,730.30

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Solution

The fourth proportional to 50,389.68, 69,539.40 and 27,730.30 is: 38,268.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,389.68 : 69,539.40 = 27,730.30 : x
  2. Step 2: Convert to fraction form
    50,389.68/69,539.40 = 27,730.30/x
  3. Step 3: Cross multiply
    50,389.68x = 69,539.40 × 27,730.30
  4. Step 4: Simplify right side
    50,389.68x = 1,928,348,423.82
  5. Step 5: Solve for x
    x = 1,928,348,423.82/50,389.68
  6. Step 6: Final answer
    x = 38,268.72

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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.