Home / 57,139.02-78,842.48-35,903.25

Finding the Fourth Proportional to 57,139.02, 78,842.48 and 35,903.25

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Solution

The fourth proportional to 57,139.02, 78,842.48 and 35,903.25 is: 49,540.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,139.02 : 78,842.48 = 35,903.25 : x
  2. Step 2: Convert to fraction form
    57,139.02/78,842.48 = 35,903.25/x
  3. Step 3: Cross multiply
    57,139.02x = 78,842.48 × 35,903.25
  4. Step 4: Simplify right side
    57,139.02x = 2,830,701,090.54
  5. Step 5: Solve for x
    x = 2,830,701,090.54/57,139.02
  6. Step 6: Final answer
    x = 49,540.60

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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.