Home / 34,575.12-47,713.86-19,671.12

Finding the Fourth Proportional to 34,575.12, 47,713.86 and 19,671.12

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Solution

The fourth proportional to 34,575.12, 47,713.86 and 19,671.12 is: 27,146.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,575.12 : 47,713.86 = 19,671.12 : x
  2. Step 2: Convert to fraction form
    34,575.12/47,713.86 = 19,671.12/x
  3. Step 3: Cross multiply
    34,575.12x = 47,713.86 × 19,671.12
  4. Step 4: Simplify right side
    34,575.12x = 938,585,065.72
  5. Step 5: Solve for x
    x = 938,585,065.72/34,575.12
  6. Step 6: Final answer
    x = 27,146.26

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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.