Home / 55,713.76-76,885.68-30,564.32

Finding the Fourth Proportional to 55,713.76, 76,885.68 and 30,564.32

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Solution

The fourth proportional to 55,713.76, 76,885.68 and 30,564.32 is: 42,179.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,713.76 : 76,885.68 = 30,564.32 : x
  2. Step 2: Convert to fraction form
    55,713.76/76,885.68 = 30,564.32/x
  3. Step 3: Cross multiply
    55,713.76x = 76,885.68 × 30,564.32
  4. Step 4: Simplify right side
    55,713.76x = 2,349,958,526.94
  5. Step 5: Solve for x
    x = 2,349,958,526.94/55,713.76
  6. Step 6: Final answer
    x = 42,179.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.