Home / 45,368.97-68,053.57-13,779.28

Finding the Fourth Proportional to 45,368.97, 68,053.57 and 13,779.28

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Solution

The fourth proportional to 45,368.97, 68,053.57 and 13,779.28 is: 20,668.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,368.97 : 68,053.57 = 13,779.28 : x
  2. Step 2: Convert to fraction form
    45,368.97/68,053.57 = 13,779.28/x
  3. Step 3: Cross multiply
    45,368.97x = 68,053.57 × 13,779.28
  4. Step 4: Simplify right side
    45,368.97x = 937,729,196.03
  5. Step 5: Solve for x
    x = 937,729,196.03/45,368.97
  6. Step 6: Final answer
    x = 20,668.95

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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.