Home / 31,518.19-47,263.42-9,333.28

Finding the Fourth Proportional to 31,518.19, 47,263.42 and 9,333.28

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Solution

The fourth proportional to 31,518.19, 47,263.42 and 9,333.28 is: 13,995.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,518.19 : 47,263.42 = 9,333.28 : x
  2. Step 2: Convert to fraction form
    31,518.19/47,263.42 = 9,333.28/x
  3. Step 3: Cross multiply
    31,518.19x = 47,263.42 × 9,333.28
  4. Step 4: Simplify right side
    31,518.19x = 441,122,732.62
  5. Step 5: Solve for x
    x = 441,122,732.62/31,518.19
  6. Step 6: Final answer
    x = 13,995.81

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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.