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Finding the Fourth Proportional to 48,432.40, 72,648.60 and 34,435.60

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Solution

The fourth proportional to 48,432.40, 72,648.60 and 34,435.60 is: 51,653.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,432.40 : 72,648.60 = 34,435.60 : x
  2. Step 2: Convert to fraction form
    48,432.40/72,648.60 = 34,435.60/x
  3. Step 3: Cross multiply
    48,432.40x = 72,648.60 × 34,435.60
  4. Step 4: Simplify right side
    48,432.40x = 2,501,698,130.16
  5. Step 5: Solve for x
    x = 2,501,698,130.16/48,432.40
  6. Step 6: Final answer
    x = 51,653.40

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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.