Home / 56,955.12-85,432.68-17,511.72

Finding the Fourth Proportional to 56,955.12, 85,432.68 and 17,511.72

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Solution

The fourth proportional to 56,955.12, 85,432.68 and 17,511.72 is: 26,267.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,955.12 : 85,432.68 = 17,511.72 : x
  2. Step 2: Convert to fraction form
    56,955.12/85,432.68 = 17,511.72/x
  3. Step 3: Cross multiply
    56,955.12x = 85,432.68 × 17,511.72
  4. Step 4: Simplify right side
    56,955.12x = 1,496,073,171.01
  5. Step 5: Solve for x
    x = 1,496,073,171.01/56,955.12
  6. Step 6: Final answer
    x = 26,267.58

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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.