Home / 31,653.96-47,486.16-14,123.12

Finding the Fourth Proportional to 31,653.96, 47,486.16 and 14,123.12

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Solution

The fourth proportional to 31,653.96, 47,486.16 and 14,123.12 is: 21,187.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,653.96 : 47,486.16 = 14,123.12 : x
  2. Step 2: Convert to fraction form
    31,653.96/47,486.16 = 14,123.12/x
  3. Step 3: Cross multiply
    31,653.96x = 47,486.16 × 14,123.12
  4. Step 4: Simplify right side
    31,653.96x = 670,652,736.02
  5. Step 5: Solve for x
    x = 670,652,736.02/31,653.96
  6. Step 6: Final answer
    x = 21,187.01

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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.