Home / 34,601.74-47,751.35-21,172.75

Finding the Fourth Proportional to 34,601.74, 47,751.35 and 21,172.75

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Solution

The fourth proportional to 34,601.74, 47,751.35 and 21,172.75 is: 29,218.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,601.74 : 47,751.35 = 21,172.75 : x
  2. Step 2: Convert to fraction form
    34,601.74/47,751.35 = 21,172.75/x
  3. Step 3: Cross multiply
    34,601.74x = 47,751.35 × 21,172.75
  4. Step 4: Simplify right side
    34,601.74x = 1,011,027,395.71
  5. Step 5: Solve for x
    x = 1,011,027,395.71/34,601.74
  6. Step 6: Final answer
    x = 29,218.98

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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.