Home / 31,311.99-46,970.21-12,592.13

Finding the Fourth Proportional to 31,311.99, 46,970.21 and 12,592.13

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Solution

The fourth proportional to 31,311.99, 46,970.21 and 12,592.13 is: 18,889.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,311.99 : 46,970.21 = 12,592.13 : x
  2. Step 2: Convert to fraction form
    31,311.99/46,970.21 = 12,592.13/x
  3. Step 3: Cross multiply
    31,311.99x = 46,970.21 × 12,592.13
  4. Step 4: Simplify right side
    31,311.99x = 591,454,692.64
  5. Step 5: Solve for x
    x = 591,454,692.64/31,311.99
  6. Step 6: Final answer
    x = 18,889.08

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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.