Home / 53,223.50-79,675.86-51,330.92

Finding the Fourth Proportional to 53,223.50, 79,675.86 and 51,330.92

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Solution

The fourth proportional to 53,223.50, 79,675.86 and 51,330.92 is: 76,842.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,223.50 : 79,675.86 = 51,330.92 : x
  2. Step 2: Convert to fraction form
    53,223.50/79,675.86 = 51,330.92/x
  3. Step 3: Cross multiply
    53,223.50x = 79,675.86 × 51,330.92
  4. Step 4: Simplify right side
    53,223.50x = 4,089,835,195.59
  5. Step 5: Solve for x
    x = 4,089,835,195.59/53,223.50
  6. Step 6: Final answer
    x = 76,842.66

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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.