Home / 30,033.15-45,018.39-11,300.28

Finding the Fourth Proportional to 30,033.15, 45,018.39 and 11,300.28

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Solution

The fourth proportional to 30,033.15, 45,018.39 and 11,300.28 is: 16,938.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,033.15 : 45,018.39 = 11,300.28 : x
  2. Step 2: Convert to fraction form
    30,033.15/45,018.39 = 11,300.28/x
  3. Step 3: Cross multiply
    30,033.15x = 45,018.39 × 11,300.28
  4. Step 4: Simplify right side
    30,033.15x = 508,720,412.15
  5. Step 5: Solve for x
    x = 508,720,412.15/30,033.15
  6. Step 6: Final answer
    x = 16,938.63

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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.