Home / 30,021.62-44,983.10-10,289.40

Finding the Fourth Proportional to 30,021.62, 44,983.10 and 10,289.40

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Solution

The fourth proportional to 30,021.62, 44,983.10 and 10,289.40 is: 15,417.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,021.62 : 44,983.10 = 10,289.40 : x
  2. Step 2: Convert to fraction form
    30,021.62/44,983.10 = 10,289.40/x
  3. Step 3: Cross multiply
    30,021.62x = 44,983.10 × 10,289.40
  4. Step 4: Simplify right side
    30,021.62x = 462,849,057.69
  5. Step 5: Solve for x
    x = 462,849,057.69/30,021.62
  6. Step 6: Final answer
    x = 15,417.19

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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.