Home / 30,003.36-44,983.44-18,762.72

Finding the Fourth Proportional to 30,003.36, 44,983.44 and 18,762.72

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Solution

The fourth proportional to 30,003.36, 44,983.44 and 18,762.72 is: 28,130.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,003.36 : 44,983.44 = 18,762.72 : x
  2. Step 2: Convert to fraction form
    30,003.36/44,983.44 = 18,762.72/x
  3. Step 3: Cross multiply
    30,003.36x = 44,983.44 × 18,762.72
  4. Step 4: Simplify right side
    30,003.36x = 844,011,689.36
  5. Step 5: Solve for x
    x = 844,011,689.36/30,003.36
  6. Step 6: Final answer
    x = 28,130.57

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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.