Home / 51,451.40-71,011.14-30,235.88

Finding the Fourth Proportional to 51,451.40, 71,011.14 and 30,235.88

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Solution

The fourth proportional to 51,451.40, 71,011.14 and 30,235.88 is: 41,730.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,451.40 : 71,011.14 = 30,235.88 : x
  2. Step 2: Convert to fraction form
    51,451.40/71,011.14 = 30,235.88/x
  3. Step 3: Cross multiply
    51,451.40x = 71,011.14 × 30,235.88
  4. Step 4: Simplify right side
    51,451.40x = 2,147,084,307.70
  5. Step 5: Solve for x
    x = 2,147,084,307.70/51,451.40
  6. Step 6: Final answer
    x = 41,730.34

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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.