Home / 49,615.36-68,457.36-28,105.60

Finding the Fourth Proportional to 49,615.36, 68,457.36 and 28,105.60

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Solution

The fourth proportional to 49,615.36, 68,457.36 and 28,105.60 is: 38,779.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,615.36 : 68,457.36 = 28,105.60 : x
  2. Step 2: Convert to fraction form
    49,615.36/68,457.36 = 28,105.60/x
  3. Step 3: Cross multiply
    49,615.36x = 68,457.36 × 28,105.60
  4. Step 4: Simplify right side
    49,615.36x = 1,924,035,177.22
  5. Step 5: Solve for x
    x = 1,924,035,177.22/49,615.36
  6. Step 6: Final answer
    x = 38,779.02

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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.