Home / 31,075.92-46,630.08-12,351.96

Finding the Fourth Proportional to 31,075.92, 46,630.08 and 12,351.96

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Solution

The fourth proportional to 31,075.92, 46,630.08 and 12,351.96 is: 18,534.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,075.92 : 46,630.08 = 12,351.96 : x
  2. Step 2: Convert to fraction form
    31,075.92/46,630.08 = 12,351.96/x
  3. Step 3: Cross multiply
    31,075.92x = 46,630.08 × 12,351.96
  4. Step 4: Simplify right side
    31,075.92x = 575,972,882.96
  5. Step 5: Solve for x
    x = 575,972,882.96/31,075.92
  6. Step 6: Final answer
    x = 18,534.38

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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.