Home / 51,615.36-71,255.52-36,519.84

Finding the Fourth Proportional to 51,615.36, 71,255.52 and 36,519.84

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Solution

The fourth proportional to 51,615.36, 71,255.52 and 36,519.84 is: 50,416.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,615.36 : 71,255.52 = 36,519.84 : x
  2. Step 2: Convert to fraction form
    51,615.36/71,255.52 = 36,519.84/x
  3. Step 3: Cross multiply
    51,615.36x = 71,255.52 × 36,519.84
  4. Step 4: Simplify right side
    51,615.36x = 2,602,240,189.52
  5. Step 5: Solve for x
    x = 2,602,240,189.52/51,615.36
  6. Step 6: Final answer
    x = 50,416.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.