Home / 50,037.30-75,055.53-20,434.38

Finding the Fourth Proportional to 50,037.30, 75,055.53 and 20,434.38

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Solution

The fourth proportional to 50,037.30, 75,055.53 and 20,434.38 is: 30,651.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,037.30 : 75,055.53 = 20,434.38 : x
  2. Step 2: Convert to fraction form
    50,037.30/75,055.53 = 20,434.38/x
  3. Step 3: Cross multiply
    50,037.30x = 75,055.53 × 20,434.38
  4. Step 4: Simplify right side
    50,037.30x = 1,533,713,221.12
  5. Step 5: Solve for x
    x = 1,533,713,221.12/50,037.30
  6. Step 6: Final answer
    x = 30,651.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.