Home / 42,800.96-64,178.24-23,831.44

Finding the Fourth Proportional to 42,800.96, 64,178.24 and 23,831.44

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Solution

The fourth proportional to 42,800.96, 64,178.24 and 23,831.44 is: 35,734.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,800.96 : 64,178.24 = 23,831.44 : x
  2. Step 2: Convert to fraction form
    42,800.96/64,178.24 = 23,831.44/x
  3. Step 3: Cross multiply
    42,800.96x = 64,178.24 × 23,831.44
  4. Step 4: Simplify right side
    42,800.96x = 1,529,459,875.87
  5. Step 5: Solve for x
    x = 1,529,459,875.87/42,800.96
  6. Step 6: Final answer
    x = 35,734.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.