Home / 34,626.47-47,752.65-21,857.57

Finding the Fourth Proportional to 34,626.47, 47,752.65 and 21,857.57

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Solution

The fourth proportional to 34,626.47, 47,752.65 and 21,857.57 is: 30,143.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,626.47 : 47,752.65 = 21,857.57 : x
  2. Step 2: Convert to fraction form
    34,626.47/47,752.65 = 21,857.57/x
  3. Step 3: Cross multiply
    34,626.47x = 47,752.65 × 21,857.57
  4. Step 4: Simplify right side
    34,626.47x = 1,043,756,830.37
  5. Step 5: Solve for x
    x = 1,043,756,830.37/34,626.47
  6. Step 6: Final answer
    x = 30,143.33

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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.