Home / 46,918.28-64,753.66-28,779.84

Finding the Fourth Proportional to 46,918.28, 64,753.66 and 28,779.84

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Solution

The fourth proportional to 46,918.28, 64,753.66 and 28,779.84 is: 39,720.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,918.28 : 64,753.66 = 28,779.84 : x
  2. Step 2: Convert to fraction form
    46,918.28/64,753.66 = 28,779.84/x
  3. Step 3: Cross multiply
    46,918.28x = 64,753.66 × 28,779.84
  4. Step 4: Simplify right side
    46,918.28x = 1,863,599,974.21
  5. Step 5: Solve for x
    x = 1,863,599,974.21/46,918.28
  6. Step 6: Final answer
    x = 39,720.13

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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.