Home / 51,148.59-76,722.89-19,561.86

Finding the Fourth Proportional to 51,148.59, 76,722.89 and 19,561.86

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Solution

The fourth proportional to 51,148.59, 76,722.89 and 19,561.86 is: 29,342.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,148.59 : 76,722.89 = 19,561.86 : x
  2. Step 2: Convert to fraction form
    51,148.59/76,722.89 = 19,561.86/x
  3. Step 3: Cross multiply
    51,148.59x = 76,722.89 × 19,561.86
  4. Step 4: Simplify right side
    51,148.59x = 1,500,842,335.17
  5. Step 5: Solve for x
    x = 1,500,842,335.17/51,148.59
  6. Step 6: Final answer
    x = 29,342.79

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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.