Home / 66,777.36-100,200.06-31,717.32

Finding the Fourth Proportional to 66,777.36, 100,200.06 and 31,717.32

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Solution

The fourth proportional to 66,777.36, 100,200.06 and 31,717.32 is: 47,592.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,777.36 : 100,200.06 = 31,717.32 : x
  2. Step 2: Convert to fraction form
    66,777.36/100,200.06 = 31,717.32/x
  3. Step 3: Cross multiply
    66,777.36x = 100,200.06 × 31,717.32
  4. Step 4: Simplify right side
    66,777.36x = 3,178,077,367.04
  5. Step 5: Solve for x
    x = 3,178,077,367.04/66,777.36
  6. Step 6: Final answer
    x = 47,592.14

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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.