Home / 56,631.40-84,947.10-17,186.60

Finding the Fourth Proportional to 56,631.40, 84,947.10 and 17,186.60

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Solution

The fourth proportional to 56,631.40, 84,947.10 and 17,186.60 is: 25,779.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,631.40 : 84,947.10 = 17,186.60 : x
  2. Step 2: Convert to fraction form
    56,631.40/84,947.10 = 17,186.60/x
  3. Step 3: Cross multiply
    56,631.40x = 84,947.10 × 17,186.60
  4. Step 4: Simplify right side
    56,631.40x = 1,459,951,828.86
  5. Step 5: Solve for x
    x = 1,459,951,828.86/56,631.40
  6. Step 6: Final answer
    x = 25,779.90

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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.