Home / 40,275.36-60,360.48-20,537.28

Finding the Fourth Proportional to 40,275.36, 60,360.48 and 20,537.28

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Solution

The fourth proportional to 40,275.36, 60,360.48 and 20,537.28 is: 30,779.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,275.36 : 60,360.48 = 20,537.28 : x
  2. Step 2: Convert to fraction form
    40,275.36/60,360.48 = 20,537.28/x
  3. Step 3: Cross multiply
    40,275.36x = 60,360.48 × 20,537.28
  4. Step 4: Simplify right side
    40,275.36x = 1,239,640,078.69
  5. Step 5: Solve for x
    x = 1,239,640,078.69/40,275.36
  6. Step 6: Final answer
    x = 30,779.12

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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.