Home / 56,016.12-77,376.20-41,509.84

Finding the Fourth Proportional to 56,016.12, 77,376.20 and 41,509.84

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Solution

The fourth proportional to 56,016.12, 77,376.20 and 41,509.84 is: 57,338.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,016.12 : 77,376.20 = 41,509.84 : x
  2. Step 2: Convert to fraction form
    56,016.12/77,376.20 = 41,509.84/x
  3. Step 3: Cross multiply
    56,016.12x = 77,376.20 × 41,509.84
  4. Step 4: Simplify right side
    56,016.12x = 3,211,873,681.81
  5. Step 5: Solve for x
    x = 3,211,873,681.81/56,016.12
  6. Step 6: Final answer
    x = 57,338.38

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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.