Home / 40,436.24-60,654.36-12,355.16

Finding the Fourth Proportional to 40,436.24, 60,654.36 and 12,355.16

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Solution

The fourth proportional to 40,436.24, 60,654.36 and 12,355.16 is: 18,532.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,436.24 : 60,654.36 = 12,355.16 : x
  2. Step 2: Convert to fraction form
    40,436.24/60,654.36 = 12,355.16/x
  3. Step 3: Cross multiply
    40,436.24x = 60,654.36 × 12,355.16
  4. Step 4: Simplify right side
    40,436.24x = 749,394,322.50
  5. Step 5: Solve for x
    x = 749,394,322.50/40,436.24
  6. Step 6: Final answer
    x = 18,532.74

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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.