Home / 57,257.40-85,886.10-49,384.20

Finding the Fourth Proportional to 57,257.40, 85,886.10 and 49,384.20

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Solution

The fourth proportional to 57,257.40, 85,886.10 and 49,384.20 is: 74,076.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,257.40 : 85,886.10 = 49,384.20 : x
  2. Step 2: Convert to fraction form
    57,257.40/85,886.10 = 49,384.20/x
  3. Step 3: Cross multiply
    57,257.40x = 85,886.10 × 49,384.20
  4. Step 4: Simplify right side
    57,257.40x = 4,241,416,339.62
  5. Step 5: Solve for x
    x = 4,241,416,339.62/57,257.40
  6. Step 6: Final answer
    x = 74,076.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.