Home / 50,011.34-75,017.09-20,429.18

Finding the Fourth Proportional to 50,011.34, 75,017.09 and 20,429.18

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Solution

The fourth proportional to 50,011.34, 75,017.09 and 20,429.18 is: 30,643.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,011.34 : 75,017.09 = 20,429.18 : x
  2. Step 2: Convert to fraction form
    50,011.34/75,017.09 = 20,429.18/x
  3. Step 3: Cross multiply
    50,011.34x = 75,017.09 × 20,429.18
  4. Step 4: Simplify right side
    50,011.34x = 1,532,537,634.69
  5. Step 5: Solve for x
    x = 1,532,537,634.69/50,011.34
  6. Step 6: Final answer
    x = 30,643.80

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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.