Home / 31,897.58-47,846.39-14,346.90

Finding the Fourth Proportional to 31,897.58, 47,846.39 and 14,346.90

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Solution

The fourth proportional to 31,897.58, 47,846.39 and 14,346.90 is: 21,520.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,897.58 : 47,846.39 = 14,346.90 : x
  2. Step 2: Convert to fraction form
    31,897.58/47,846.39 = 14,346.90/x
  3. Step 3: Cross multiply
    31,897.58x = 47,846.39 × 14,346.90
  4. Step 4: Simplify right side
    31,897.58x = 686,447,300.96
  5. Step 5: Solve for x
    x = 686,447,300.96/31,897.58
  6. Step 6: Final answer
    x = 21,520.36

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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.