Home / 48,677.40-73,014.89-13,138.65

Finding the Fourth Proportional to 48,677.40, 73,014.89 and 13,138.65

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Solution

The fourth proportional to 48,677.40, 73,014.89 and 13,138.65 is: 19,707.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,677.40 : 73,014.89 = 13,138.65 : x
  2. Step 2: Convert to fraction form
    48,677.40/73,014.89 = 13,138.65/x
  3. Step 3: Cross multiply
    48,677.40x = 73,014.89 × 13,138.65
  4. Step 4: Simplify right side
    48,677.40x = 959,317,018.81
  5. Step 5: Solve for x
    x = 959,317,018.81/48,677.40
  6. Step 6: Final answer
    x = 19,707.65

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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.