Home / 45,495.12-62,759.28-31,323.36

Finding the Fourth Proportional to 45,495.12, 62,759.28 and 31,323.36

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Solution

The fourth proportional to 45,495.12, 62,759.28 and 31,323.36 is: 43,209.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,495.12 : 62,759.28 = 31,323.36 : x
  2. Step 2: Convert to fraction form
    45,495.12/62,759.28 = 31,323.36/x
  3. Step 3: Cross multiply
    45,495.12x = 62,759.28 × 31,323.36
  4. Step 4: Simplify right side
    45,495.12x = 1,965,831,520.78
  5. Step 5: Solve for x
    x = 1,965,831,520.78/45,495.12
  6. Step 6: Final answer
    x = 43,209.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.