Home / 56,217.64-84,316.70-21,157.56

Finding the Fourth Proportional to 56,217.64, 84,316.70 and 21,157.56

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Solution

The fourth proportional to 56,217.64, 84,316.70 and 21,157.56 is: 31,732.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,217.64 : 84,316.70 = 21,157.56 : x
  2. Step 2: Convert to fraction form
    56,217.64/84,316.70 = 21,157.56/x
  3. Step 3: Cross multiply
    56,217.64x = 84,316.70 × 21,157.56
  4. Step 4: Simplify right side
    56,217.64x = 1,783,935,639.25
  5. Step 5: Solve for x
    x = 1,783,935,639.25/56,217.64
  6. Step 6: Final answer
    x = 31,732.67

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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.