Home / 53,555.44-73,915.64-30,890.36

Finding the Fourth Proportional to 53,555.44, 73,915.64 and 30,890.36

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Solution

The fourth proportional to 53,555.44, 73,915.64 and 30,890.36 is: 42,633.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,555.44 : 73,915.64 = 30,890.36 : x
  2. Step 2: Convert to fraction form
    53,555.44/73,915.64 = 30,890.36/x
  3. Step 3: Cross multiply
    53,555.44x = 73,915.64 × 30,890.36
  4. Step 4: Simplify right side
    53,555.44x = 2,283,280,729.23
  5. Step 5: Solve for x
    x = 2,283,280,729.23/53,555.44
  6. Step 6: Final answer
    x = 42,633.96

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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.