Home / 51,309.96-70,803.04-30,085.24

Finding the Fourth Proportional to 51,309.96, 70,803.04 and 30,085.24

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Solution

The fourth proportional to 51,309.96, 70,803.04 and 30,085.24 is: 41,514.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,309.96 : 70,803.04 = 30,085.24 : x
  2. Step 2: Convert to fraction form
    51,309.96/70,803.04 = 30,085.24/x
  3. Step 3: Cross multiply
    51,309.96x = 70,803.04 × 30,085.24
  4. Step 4: Simplify right side
    51,309.96x = 2,130,126,451.13
  5. Step 5: Solve for x
    x = 2,130,126,451.13/51,309.96
  6. Step 6: Final answer
    x = 41,514.87

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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.