Home / 30,012.16-44,937.24-20,130.16

Finding the Fourth Proportional to 30,012.16, 44,937.24 and 20,130.16

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Solution

The fourth proportional to 30,012.16, 44,937.24 and 20,130.16 is: 30,140.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,012.16 : 44,937.24 = 20,130.16 : x
  2. Step 2: Convert to fraction form
    30,012.16/44,937.24 = 20,130.16/x
  3. Step 3: Cross multiply
    30,012.16x = 44,937.24 × 20,130.16
  4. Step 4: Simplify right side
    30,012.16x = 904,593,831.16
  5. Step 5: Solve for x
    x = 904,593,831.16/30,012.16
  6. Step 6: Final answer
    x = 30,140.91

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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.