Home / 50,308.96-75,463.40-12,869.10

Finding the Fourth Proportional to 50,308.96, 75,463.40 and 12,869.10

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Solution

The fourth proportional to 50,308.96, 75,463.40 and 12,869.10 is: 19,303.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,308.96 : 75,463.40 = 12,869.10 : x
  2. Step 2: Convert to fraction form
    50,308.96/75,463.40 = 12,869.10/x
  3. Step 3: Cross multiply
    50,308.96x = 75,463.40 × 12,869.10
  4. Step 4: Simplify right side
    50,308.96x = 971,146,040.94
  5. Step 5: Solve for x
    x = 971,146,040.94/50,308.96
  6. Step 6: Final answer
    x = 19,303.64

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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.