Home / 30,983.04-46,478.40-10,213.76

Finding the Fourth Proportional to 30,983.04, 46,478.40 and 10,213.76

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Solution

The fourth proportional to 30,983.04, 46,478.40 and 10,213.76 is: 15,321.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,983.04 : 46,478.40 = 10,213.76 : x
  2. Step 2: Convert to fraction form
    30,983.04/46,478.40 = 10,213.76/x
  3. Step 3: Cross multiply
    30,983.04x = 46,478.40 × 10,213.76
  4. Step 4: Simplify right side
    30,983.04x = 474,719,222.78
  5. Step 5: Solve for x
    x = 474,719,222.78/30,983.04
  6. Step 6: Final answer
    x = 15,321.91

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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.