Home / 51,806.70-71,493.35-30,587.33

Finding the Fourth Proportional to 51,806.70, 71,493.35 and 30,587.33

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Solution

The fourth proportional to 51,806.70, 71,493.35 and 30,587.33 is: 42,210.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,806.70 : 71,493.35 = 30,587.33 : x
  2. Step 2: Convert to fraction form
    51,806.70/71,493.35 = 30,587.33/x
  3. Step 3: Cross multiply
    51,806.70x = 71,493.35 × 30,587.33
  4. Step 4: Simplify right side
    51,806.70x = 2,186,790,689.26
  5. Step 5: Solve for x
    x = 2,186,790,689.26/51,806.70
  6. Step 6: Final answer
    x = 42,210.58

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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.