Home / 31,619.07-47,434.68-14,088.85

Finding the Fourth Proportional to 31,619.07, 47,434.68 and 14,088.85

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Solution

The fourth proportional to 31,619.07, 47,434.68 and 14,088.85 is: 21,135.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,619.07 : 47,434.68 = 14,088.85 : x
  2. Step 2: Convert to fraction form
    31,619.07/47,434.68 = 14,088.85/x
  3. Step 3: Cross multiply
    31,619.07x = 47,434.68 × 14,088.85
  4. Step 4: Simplify right side
    31,619.07x = 668,299,972.73
  5. Step 5: Solve for x
    x = 668,299,972.73/31,619.07
  6. Step 6: Final answer
    x = 21,135.98

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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.