Home / 56,405.40-84,575.70-16,956.60

Finding the Fourth Proportional to 56,405.40, 84,575.70 and 16,956.60

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Solution

The fourth proportional to 56,405.40, 84,575.70 and 16,956.60 is: 25,425.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,405.40 : 84,575.70 = 16,956.60 : x
  2. Step 2: Convert to fraction form
    56,405.40/84,575.70 = 16,956.60/x
  3. Step 3: Cross multiply
    56,405.40x = 84,575.70 × 16,956.60
  4. Step 4: Simplify right side
    56,405.40x = 1,434,116,314.62
  5. Step 5: Solve for x
    x = 1,434,116,314.62/56,405.40
  6. Step 6: Final answer
    x = 25,425.16

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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.