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Finding the Fourth Proportional to 45,232.40, 67,848.60 and 12,400.40

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Solution

The fourth proportional to 45,232.40, 67,848.60 and 12,400.40 is: 18,600.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,232.40 : 67,848.60 = 12,400.40 : x
  2. Step 2: Convert to fraction form
    45,232.40/67,848.60 = 12,400.40/x
  3. Step 3: Cross multiply
    45,232.40x = 67,848.60 × 12,400.40
  4. Step 4: Simplify right side
    45,232.40x = 841,349,779.44
  5. Step 5: Solve for x
    x = 841,349,779.44/45,232.40
  6. Step 6: Final answer
    x = 18,600.60

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