Home / 50,349.04-75,521.80-12,909.49

Finding the Fourth Proportional to 50,349.04, 75,521.80 and 12,909.49

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Solution

The fourth proportional to 50,349.04, 75,521.80 and 12,909.49 is: 19,363.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,349.04 : 75,521.80 = 12,909.49 : x
  2. Step 2: Convert to fraction form
    50,349.04/75,521.80 = 12,909.49/x
  3. Step 3: Cross multiply
    50,349.04x = 75,521.80 × 12,909.49
  4. Step 4: Simplify right side
    50,349.04x = 974,947,921.88
  5. Step 5: Solve for x
    x = 974,947,921.88/50,349.04
  6. Step 6: Final answer
    x = 19,363.78

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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.