Home / 31,669.58-47,486.79-12,962.77

Finding the Fourth Proportional to 31,669.58, 47,486.79 and 12,962.77

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Solution

The fourth proportional to 31,669.58, 47,486.79 and 12,962.77 is: 19,436.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,669.58 : 47,486.79 = 12,962.77 : x
  2. Step 2: Convert to fraction form
    31,669.58/47,486.79 = 12,962.77/x
  3. Step 3: Cross multiply
    31,669.58x = 47,486.79 × 12,962.77
  4. Step 4: Simplify right side
    31,669.58x = 615,560,218.09
  5. Step 5: Solve for x
    x = 615,560,218.09/31,669.58
  6. Step 6: Final answer
    x = 19,436.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.