Home / 31,123.20-46,684.80-10,346.70

Finding the Fourth Proportional to 31,123.20, 46,684.80 and 10,346.70

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Solution

The fourth proportional to 31,123.20, 46,684.80 and 10,346.70 is: 15,520.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,123.20 : 46,684.80 = 10,346.70 : x
  2. Step 2: Convert to fraction form
    31,123.20/46,684.80 = 10,346.70/x
  3. Step 3: Cross multiply
    31,123.20x = 46,684.80 × 10,346.70
  4. Step 4: Simplify right side
    31,123.20x = 483,033,620.16
  5. Step 5: Solve for x
    x = 483,033,620.16/31,123.20
  6. Step 6: Final answer
    x = 15,520.05

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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.