Home / 55,776.40-83,674.96-18,338.56

Finding the Fourth Proportional to 55,776.40, 83,674.96 and 18,338.56

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Solution

The fourth proportional to 55,776.40, 83,674.96 and 18,338.56 is: 27,511.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,776.40 : 83,674.96 = 18,338.56 : x
  2. Step 2: Convert to fraction form
    55,776.40/83,674.96 = 18,338.56/x
  3. Step 3: Cross multiply
    55,776.40x = 83,674.96 × 18,338.56
  4. Step 4: Simplify right side
    55,776.40x = 1,534,478,274.46
  5. Step 5: Solve for x
    x = 1,534,478,274.46/55,776.40
  6. Step 6: Final answer
    x = 27,511.25

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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.