Home / 45,172.57-62,303.01-30,843.91

Finding the Fourth Proportional to 45,172.57, 62,303.01 and 30,843.91

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Solution

The fourth proportional to 45,172.57, 62,303.01 and 30,843.91 is: 42,540.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,172.57 : 62,303.01 = 30,843.91 : x
  2. Step 2: Convert to fraction form
    45,172.57/62,303.01 = 30,843.91/x
  3. Step 3: Cross multiply
    45,172.57x = 62,303.01 × 30,843.91
  4. Step 4: Simplify right side
    45,172.57x = 1,921,668,433.17
  5. Step 5: Solve for x
    x = 1,921,668,433.17/45,172.57
  6. Step 6: Final answer
    x = 42,540.60

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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.