Home / 56,441.68-77,885.32-30,943.96

Finding the Fourth Proportional to 56,441.68, 77,885.32 and 30,943.96

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Solution

The fourth proportional to 56,441.68, 77,885.32 and 30,943.96 is: 42,700.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,441.68 : 77,885.32 = 30,943.96 : x
  2. Step 2: Convert to fraction form
    56,441.68/77,885.32 = 30,943.96/x
  3. Step 3: Cross multiply
    56,441.68x = 77,885.32 × 30,943.96
  4. Step 4: Simplify right side
    56,441.68x = 2,410,080,226.67
  5. Step 5: Solve for x
    x = 2,410,080,226.67/56,441.68
  6. Step 6: Final answer
    x = 42,700.36

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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.