Home / 34,605.52-47,759.16-21,185.64

Finding the Fourth Proportional to 34,605.52, 47,759.16 and 21,185.64

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Solution

The fourth proportional to 34,605.52, 47,759.16 and 21,185.64 is: 29,238.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,605.52 : 47,759.16 = 21,185.64 : x
  2. Step 2: Convert to fraction form
    34,605.52/47,759.16 = 21,185.64/x
  3. Step 3: Cross multiply
    34,605.52x = 47,759.16 × 21,185.64
  4. Step 4: Simplify right side
    34,605.52x = 1,011,808,370.46
  5. Step 5: Solve for x
    x = 1,011,808,370.46/34,605.52
  6. Step 6: Final answer
    x = 29,238.35

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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.