Home / 32,831.96-49,255.80-10,645.40

Finding the Fourth Proportional to 32,831.96, 49,255.80 and 10,645.40

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Solution

The fourth proportional to 32,831.96, 49,255.80 and 10,645.40 is: 15,970.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,831.96 : 49,255.80 = 10,645.40 : x
  2. Step 2: Convert to fraction form
    32,831.96/49,255.80 = 10,645.40/x
  3. Step 3: Cross multiply
    32,831.96x = 49,255.80 × 10,645.40
  4. Step 4: Simplify right side
    32,831.96x = 524,347,693.32
  5. Step 5: Solve for x
    x = 524,347,693.32/32,831.96
  6. Step 6: Final answer
    x = 15,970.65

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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.