Home / 57,276.35-79,038.62-31,782.41

Finding the Fourth Proportional to 57,276.35, 79,038.62 and 31,782.41

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Solution

The fourth proportional to 57,276.35, 79,038.62 and 31,782.41 is: 43,858.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,276.35 : 79,038.62 = 31,782.41 : x
  2. Step 2: Convert to fraction form
    57,276.35/79,038.62 = 31,782.41/x
  3. Step 3: Cross multiply
    57,276.35x = 79,038.62 × 31,782.41
  4. Step 4: Simplify right side
    57,276.35x = 2,512,037,688.15
  5. Step 5: Solve for x
    x = 2,512,037,688.15/57,276.35
  6. Step 6: Final answer
    x = 43,858.20

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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.