Home / 30,079.33-45,125.27-9,018.52

Finding the Fourth Proportional to 30,079.33, 45,125.27 and 9,018.52

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Solution

The fourth proportional to 30,079.33, 45,125.27 and 9,018.52 is: 13,529.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,079.33 : 45,125.27 = 9,018.52 : x
  2. Step 2: Convert to fraction form
    30,079.33/45,125.27 = 9,018.52/x
  3. Step 3: Cross multiply
    30,079.33x = 45,125.27 × 9,018.52
  4. Step 4: Simplify right side
    30,079.33x = 406,963,150.00
  5. Step 5: Solve for x
    x = 406,963,150.00/30,079.33
  6. Step 6: Final answer
    x = 13,529.66

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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.