Home / 31,021.92-46,528.98-9,960.30

Finding the Fourth Proportional to 31,021.92, 46,528.98 and 9,960.30

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Solution

The fourth proportional to 31,021.92, 46,528.98 and 9,960.30 is: 14,939.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,021.92 : 46,528.98 = 9,960.30 : x
  2. Step 2: Convert to fraction form
    31,021.92/46,528.98 = 9,960.30/x
  3. Step 3: Cross multiply
    31,021.92x = 46,528.98 × 9,960.30
  4. Step 4: Simplify right side
    31,021.92x = 463,442,599.49
  5. Step 5: Solve for x
    x = 463,442,599.49/31,021.92
  6. Step 6: Final answer
    x = 14,939.20

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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.