Home / 31,477.19-47,215.80-30,110.54

Finding the Fourth Proportional to 31,477.19, 47,215.80 and 30,110.54

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Solution

The fourth proportional to 31,477.19, 47,215.80 and 30,110.54 is: 45,165.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,477.19 : 47,215.80 = 30,110.54 : x
  2. Step 2: Convert to fraction form
    31,477.19/47,215.80 = 30,110.54/x
  3. Step 3: Cross multiply
    31,477.19x = 47,215.80 × 30,110.54
  4. Step 4: Simplify right side
    31,477.19x = 1,421,692,998.45
  5. Step 5: Solve for x
    x = 1,421,692,998.45/31,477.19
  6. Step 6: Final answer
    x = 45,165.82

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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.