Home / 57,627.37-79,557.15-39,818.26

Finding the Fourth Proportional to 57,627.37, 79,557.15 and 39,818.26

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Solution

The fourth proportional to 57,627.37, 79,557.15 and 39,818.26 is: 54,970.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,627.37 : 79,557.15 = 39,818.26 : x
  2. Step 2: Convert to fraction form
    57,627.37/79,557.15 = 39,818.26/x
  3. Step 3: Cross multiply
    57,627.37x = 79,557.15 × 39,818.26
  4. Step 4: Simplify right side
    57,627.37x = 3,167,827,283.56
  5. Step 5: Solve for x
    x = 3,167,827,283.56/57,627.37
  6. Step 6: Final answer
    x = 54,970.88

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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.