Home / 56,325.45-77,727.96-30,831.21

Finding the Fourth Proportional to 56,325.45, 77,727.96 and 30,831.21

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Solution

The fourth proportional to 56,325.45, 77,727.96 and 30,831.21 is: 42,546.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,325.45 : 77,727.96 = 30,831.21 : x
  2. Step 2: Convert to fraction form
    56,325.45/77,727.96 = 30,831.21/x
  3. Step 3: Cross multiply
    56,325.45x = 77,727.96 × 30,831.21
  4. Step 4: Simplify right side
    56,325.45x = 2,396,447,057.63
  5. Step 5: Solve for x
    x = 2,396,447,057.63/56,325.45
  6. Step 6: Final answer
    x = 42,546.43

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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.