Home / 51,833.85-71,531.49-30,613.07

Finding the Fourth Proportional to 51,833.85, 71,531.49 and 30,613.07

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Solution

The fourth proportional to 51,833.85, 71,531.49 and 30,613.07 is: 42,246.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,833.85 : 71,531.49 = 30,613.07 : x
  2. Step 2: Convert to fraction form
    51,833.85/71,531.49 = 30,613.07/x
  3. Step 3: Cross multiply
    51,833.85x = 71,531.49 × 30,613.07
  4. Step 4: Simplify right side
    51,833.85x = 2,189,798,152.92
  5. Step 5: Solve for x
    x = 2,189,798,152.92/51,833.85
  6. Step 6: Final answer
    x = 42,246.49

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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.