Home / 51,005.86-76,502.69-13,568.67

Finding the Fourth Proportional to 51,005.86, 76,502.69 and 13,568.67

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Solution

The fourth proportional to 51,005.86, 76,502.69 and 13,568.67 is: 20,351.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,005.86 : 76,502.69 = 13,568.67 : x
  2. Step 2: Convert to fraction form
    51,005.86/76,502.69 = 13,568.67/x
  3. Step 3: Cross multiply
    51,005.86x = 76,502.69 × 13,568.67
  4. Step 4: Simplify right side
    51,005.86x = 1,038,039,372.21
  5. Step 5: Solve for x
    x = 1,038,039,372.21/51,005.86
  6. Step 6: Final answer
    x = 20,351.38

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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.