Home / 74,256.18-111,378.44-20,946.00

Finding the Fourth Proportional to 74,256.18, 111,378.44 and 20,946.00

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Solution

The fourth proportional to 74,256.18, 111,378.44 and 20,946.00 is: 31,417.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,256.18 : 111,378.44 = 20,946.00 : x
  2. Step 2: Convert to fraction form
    74,256.18/111,378.44 = 20,946.00/x
  3. Step 3: Cross multiply
    74,256.18x = 111,378.44 × 20,946.00
  4. Step 4: Simplify right side
    74,256.18x = 2,332,932,194.98
  5. Step 5: Solve for x
    x = 2,332,932,194.98/74,256.18
  6. Step 6: Final answer
    x = 31,417.35

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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.