Home / 51,636.29-71,259.14-28,976.92

Finding the Fourth Proportional to 51,636.29, 71,259.14 and 28,976.92

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Solution

The fourth proportional to 51,636.29, 71,259.14 and 28,976.92 is: 39,988.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,636.29 : 71,259.14 = 28,976.92 : x
  2. Step 2: Convert to fraction form
    51,636.29/71,259.14 = 28,976.92/x
  3. Step 3: Cross multiply
    51,636.29x = 71,259.14 × 28,976.92
  4. Step 4: Simplify right side
    51,636.29x = 2,064,870,293.34
  5. Step 5: Solve for x
    x = 2,064,870,293.34/51,636.29
  6. Step 6: Final answer
    x = 39,988.75

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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.