Home / 57,273.48-79,024.86-55,385.64

Finding the Fourth Proportional to 57,273.48, 79,024.86 and 55,385.64

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Solution

The fourth proportional to 57,273.48, 79,024.86 and 55,385.64 is: 76,420.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,273.48 : 79,024.86 = 55,385.64 : x
  2. Step 2: Convert to fraction form
    57,273.48/79,024.86 = 55,385.64/x
  3. Step 3: Cross multiply
    57,273.48x = 79,024.86 × 55,385.64
  4. Step 4: Simplify right side
    57,273.48x = 4,376,842,447.01
  5. Step 5: Solve for x
    x = 4,376,842,447.01/57,273.48
  6. Step 6: Final answer
    x = 76,420.05

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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.