Home / 31,232.40-46,897.20-18,110.40

Finding the Fourth Proportional to 31,232.40, 46,897.20 and 18,110.40

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Solution

The fourth proportional to 31,232.40, 46,897.20 and 18,110.40 is: 27,193.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,232.40 : 46,897.20 = 18,110.40 : x
  2. Step 2: Convert to fraction form
    31,232.40/46,897.20 = 18,110.40/x
  3. Step 3: Cross multiply
    31,232.40x = 46,897.20 × 18,110.40
  4. Step 4: Simplify right side
    31,232.40x = 849,327,050.88
  5. Step 5: Solve for x
    x = 849,327,050.88/31,232.40
  6. Step 6: Final answer
    x = 27,193.78

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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.