Home / 30,013.13-45,022.84-10,293.28

Finding the Fourth Proportional to 30,013.13, 45,022.84 and 10,293.28

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Solution

The fourth proportional to 30,013.13, 45,022.84 and 10,293.28 is: 15,440.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,013.13 : 45,022.84 = 10,293.28 : x
  2. Step 2: Convert to fraction form
    30,013.13/45,022.84 = 10,293.28/x
  3. Step 3: Cross multiply
    30,013.13x = 45,022.84 × 10,293.28
  4. Step 4: Simplify right side
    30,013.13x = 463,432,560.22
  5. Step 5: Solve for x
    x = 463,432,560.22/30,013.13
  6. Step 6: Final answer
    x = 15,440.99

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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.