Home / 57,254.41-85,840.10-38,487.90

Finding the Fourth Proportional to 57,254.41, 85,840.10 and 38,487.90

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Solution

The fourth proportional to 57,254.41, 85,840.10 and 38,487.90 is: 57,703.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,254.41 : 85,840.10 = 38,487.90 : x
  2. Step 2: Convert to fraction form
    57,254.41/85,840.10 = 38,487.90/x
  3. Step 3: Cross multiply
    57,254.41x = 85,840.10 × 38,487.90
  4. Step 4: Simplify right side
    57,254.41x = 3,303,804,563.15
  5. Step 5: Solve for x
    x = 3,303,804,563.15/57,254.41
  6. Step 6: Final answer
    x = 57,703.93

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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.