Home / 40,945.96-61,427.58-20,166.76

Finding the Fourth Proportional to 40,945.96, 61,427.58 and 20,166.76

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Solution

The fourth proportional to 40,945.96, 61,427.58 and 20,166.76 is: 30,254.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,945.96 : 61,427.58 = 20,166.76 : x
  2. Step 2: Convert to fraction form
    40,945.96/61,427.58 = 20,166.76/x
  3. Step 3: Cross multiply
    40,945.96x = 61,427.58 × 20,166.76
  4. Step 4: Simplify right side
    40,945.96x = 1,238,795,263.24
  5. Step 5: Solve for x
    x = 1,238,795,263.24/40,945.96
  6. Step 6: Final answer
    x = 30,254.40

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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.