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Finding the Fourth Proportional to 43,374.08, 65,087.04 and 18,750.08

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Solution

The fourth proportional to 43,374.08, 65,087.04 and 18,750.08 is: 28,136.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,374.08 : 65,087.04 = 18,750.08 : x
  2. Step 2: Convert to fraction form
    43,374.08/65,087.04 = 18,750.08/x
  3. Step 3: Cross multiply
    43,374.08x = 65,087.04 × 18,750.08
  4. Step 4: Simplify right side
    43,374.08x = 1,220,387,206.96
  5. Step 5: Solve for x
    x = 1,220,387,206.96/43,374.08
  6. Step 6: Final answer
    x = 28,136.32

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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.