Home / 50,135.10-75,202.74-20,547.64

Finding the Fourth Proportional to 50,135.10, 75,202.74 and 20,547.64

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Solution

The fourth proportional to 50,135.10, 75,202.74 and 20,547.64 is: 30,821.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,135.10 : 75,202.74 = 20,547.64 : x
  2. Step 2: Convert to fraction form
    50,135.10/75,202.74 = 20,547.64/x
  3. Step 3: Cross multiply
    50,135.10x = 75,202.74 × 20,547.64
  4. Step 4: Simplify right side
    50,135.10x = 1,545,238,828.53
  5. Step 5: Solve for x
    x = 1,545,238,828.53/50,135.10
  6. Step 6: Final answer
    x = 30,821.50

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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.