Home / 34,384.97-47,451.37-21,646.58

Finding the Fourth Proportional to 34,384.97, 47,451.37 and 21,646.58

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Solution

The fourth proportional to 34,384.97, 47,451.37 and 21,646.58 is: 29,872.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,384.97 : 47,451.37 = 21,646.58 : x
  2. Step 2: Convert to fraction form
    34,384.97/47,451.37 = 21,646.58/x
  3. Step 3: Cross multiply
    34,384.97x = 47,451.37 × 21,646.58
  4. Step 4: Simplify right side
    34,384.97x = 1,027,159,693.67
  5. Step 5: Solve for x
    x = 1,027,159,693.67/34,384.97
  6. Step 6: Final answer
    x = 29,872.35

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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.