Home / 47,831.04-71,746.32-12,292.32

Finding the Fourth Proportional to 47,831.04, 71,746.32 and 12,292.32

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Solution

The fourth proportional to 47,831.04, 71,746.32 and 12,292.32 is: 18,438.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,831.04 : 71,746.32 = 12,292.32 : x
  2. Step 2: Convert to fraction form
    47,831.04/71,746.32 = 12,292.32/x
  3. Step 3: Cross multiply
    47,831.04x = 71,746.32 × 12,292.32
  4. Step 4: Simplify right side
    47,831.04x = 881,928,724.26
  5. Step 5: Solve for x
    x = 881,928,724.26/47,831.04
  6. Step 6: Final answer
    x = 18,438.42

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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.