Home / 50,045.36-75,068.12-20,463.20

Finding the Fourth Proportional to 50,045.36, 75,068.12 and 20,463.20

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Solution

The fourth proportional to 50,045.36, 75,068.12 and 20,463.20 is: 30,694.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,045.36 : 75,068.12 = 20,463.20 : x
  2. Step 2: Convert to fraction form
    50,045.36/75,068.12 = 20,463.20/x
  3. Step 3: Cross multiply
    50,045.36x = 75,068.12 × 20,463.20
  4. Step 4: Simplify right side
    50,045.36x = 1,536,133,953.18
  5. Step 5: Solve for x
    x = 1,536,133,953.18/50,045.36
  6. Step 6: Final answer
    x = 30,694.83

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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.