Home / 51,247.29-76,894.65-19,646.79

Finding the Fourth Proportional to 51,247.29, 76,894.65 and 19,646.79

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Solution

The fourth proportional to 51,247.29, 76,894.65 and 19,646.79 is: 29,479.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,247.29 : 76,894.65 = 19,646.79 : x
  2. Step 2: Convert to fraction form
    51,247.29/76,894.65 = 19,646.79/x
  3. Step 3: Cross multiply
    51,247.29x = 76,894.65 × 19,646.79
  4. Step 4: Simplify right side
    51,247.29x = 1,510,733,040.67
  5. Step 5: Solve for x
    x = 1,510,733,040.67/51,247.29
  6. Step 6: Final answer
    x = 29,479.28

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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.