Home / 42,831.84-64,267.20-25,335.84

Finding the Fourth Proportional to 42,831.84, 64,267.20 and 25,335.84

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Solution

The fourth proportional to 42,831.84, 64,267.20 and 25,335.84 is: 38,015.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,831.84 : 64,267.20 = 25,335.84 : x
  2. Step 2: Convert to fraction form
    42,831.84/64,267.20 = 25,335.84/x
  3. Step 3: Cross multiply
    42,831.84x = 64,267.20 × 25,335.84
  4. Step 4: Simplify right side
    42,831.84x = 1,628,263,496.45
  5. Step 5: Solve for x
    x = 1,628,263,496.45/42,831.84
  6. Step 6: Final answer
    x = 38,015.26

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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.