Home / 43,635.39-65,456.88-12,045.48

Finding the Fourth Proportional to 43,635.39, 65,456.88 and 12,045.48

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Solution

The fourth proportional to 43,635.39, 65,456.88 and 12,045.48 is: 18,069.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,635.39 : 65,456.88 = 12,045.48 : x
  2. Step 2: Convert to fraction form
    43,635.39/65,456.88 = 12,045.48/x
  3. Step 3: Cross multiply
    43,635.39x = 65,456.88 × 12,045.48
  4. Step 4: Simplify right side
    43,635.39x = 788,459,248.27
  5. Step 5: Solve for x
    x = 788,459,248.27/43,635.39
  6. Step 6: Final answer
    x = 18,069.26

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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.