Home / 56,325.46-77,727.96-30,831.20

Finding the Fourth Proportional to 56,325.46, 77,727.96 and 30,831.20

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Solution

The fourth proportional to 56,325.46, 77,727.96 and 30,831.20 is: 42,546.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,325.46 : 77,727.96 = 30,831.20 : x
  2. Step 2: Convert to fraction form
    56,325.46/77,727.96 = 30,831.20/x
  3. Step 3: Cross multiply
    56,325.46x = 77,727.96 × 30,831.20
  4. Step 4: Simplify right side
    56,325.46x = 2,396,446,280.35
  5. Step 5: Solve for x
    x = 2,396,446,280.35/56,325.46
  6. Step 6: Final answer
    x = 42,546.41

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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.