Home / 50,465.28-69,631.36-29,243.20

Finding the Fourth Proportional to 50,465.28, 69,631.36 and 29,243.20

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Solution

The fourth proportional to 50,465.28, 69,631.36 and 29,243.20 is: 40,349.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,465.28 : 69,631.36 = 29,243.20 : x
  2. Step 2: Convert to fraction form
    50,465.28/69,631.36 = 29,243.20/x
  3. Step 3: Cross multiply
    50,465.28x = 69,631.36 × 29,243.20
  4. Step 4: Simplify right side
    50,465.28x = 2,036,243,786.75
  5. Step 5: Solve for x
    x = 2,036,243,786.75/50,465.28
  6. Step 6: Final answer
    x = 40,349.40

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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.